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chapter 1

Total questions: 131

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

Which of the following is a base quantity?

a)

Speed

b)

Mass

c)

Force

d)

Pressure

2.

The SI unit of length is:

a)

Meter

b)

Centimeter

c)

Kilometer

d)

Inch

3.

Which instrument can measure length up to 0.1 mm accuracy?

a)

Meter Rule

b)

Varnier Callipers

c)

Measuring Tape

d)

Physical balance

4.

Which one is a derived quantity?

a)

Time

b)

Temperature

c)

Velocity

d)

Length

5.

The least count of a screw gauge is usually:

a)

1 cm

b)

1mm

c)

0.01mm

d)

1µm

6.

The SI unit of density is:

a)

g/cm3

b)

kg/m3

c)

N/m2

d)

J/Kg

7.

Which quantity is measured in candela (cd)?

a)

Pressure

b)

Luminous Intensity

c)

Electric Current

d)

Temperature

8.

. The distance moved per unit time in a specific direction is called:

a)

Speed

b)

Velocity

c)

Acceleration

d)

Force

9.

SI unit of electric current is:

a)

Volt

b)

Coulumb

c)

Ampere

d)

Ohm

10.

The number 6.022×1023is called:

a)


a) Planck’s constant

b)


b) Boltzmann constant

c)


c) Avogadro’s number

d)


d) Gravitational constant

11.

Which of the following is NOT a physical quantity?

a)

length

b)

mass

c)

happiness

d)

time

12.

Scientific notation of 0.00056 is:

a)

5.6 ×104

b)

56 ×10-5

c)

5.6×10-4

d)

56 ×10-3

13.

. A body has a mass of 250 g. Its mass in kilograms is:

a)

0.025kg

b)

0.25kg

c)

2.5kg

d)

25kg

14.

The vernier calipers has 10 divisions on its vernier scale which coincide with 9 divisions of the main scale. The least count is:

a)

0.1 mm

b)

0.01 mm

c)

0.01 cm

d)

0.1 cm

15.

If the pitch of a screw gauge is 1 mm and there are 100 divisions on the circular scale, the least count will be:

a)

0.1 mm

b)

0.01 mm

c)

0.001 mm

d)

1 mm

16.

A student measures the diameter of a wire as 0.50 mm using a screw gauge. If the wire’s length is 2 m, what is its volume?

a)

3.9 ×10-7 m3

b)

3.9 ×10-6 m3

c)

3.9× 10-8 m3

d)

3.9× 10-9 m3

17.

Express 0.000345 in scientific notation:

a)

3.45 ×104

b)

3.45 ×10-4

c)

345 ×10-3

d)

345× 10-5

18.

6. A rectangular box has dimensions: 20 cm × 10 cm × 5 cm. Its volume in cubic meters is:

a)

1× 10-3 m3

b)

1× 10-2 m3

c)

1 ×10-4 m3

d)

1 ×10-5 m3

19.

A stopwatch measures 20 oscillations of a pendulum in 40 s. The time period is:

a)

1 s

b)

2 s

c)

0.5 s

d)

4 s

20.

Quote : " No one undertakes research in Physics with the intention of winning a prize. it is the joy of discovering something no one knew before". said by......

a)

Albert Einstein.

b)

Isaac Newton

c)

Michael Faraday

d)

Stephen Hawking

21.

Physics derived from Ancient Greek " Physicos" meaning

a)

Knowledge of nature

b)

knowledge of Force

c)

Knowledge of Gravity

d)

Knowledge of Universe

22.

Physics is the branch of Science that observe nature and represent it mathematically and conclude with the experiments.

a)

true

b)

false

c)

partially true

d)

none of them

23.

Physical quantities which can not be explained by other physical quantities are called:

a)

Derived Physical Quantities

b)

Fundamental Physical Quantities

c)

None of them

d)

Both of them

24.

Physical Quantities which are explained on the basis of Fundamental Physical Quantities are called"

a)

Derived Physical Quantities

b)

Fundamental Physial Quantities

c)

None of them

d)

Both of them

25.

Some Physical Quantities are unit-less:

a)

a. Electric Modulus

b)

b. Plane angle

c)

c. Solid angle

d)

All of them

e)

only b

26.

The notion of Physical dimension of a physical quantity was introduced by:

a)

Joseph Fourier

b)

Marry Curie

c)

Robert Boyl

d)

j.j.Thomson

27.

Use of every instrument is restricted by smallest measurement that it can perform which is called:

a)

Smallest Number

b)

Least Count

c)

minimum Value

d)

None of these

28.

1 yard =

a)

3 ft

b)

1 ft

c)

12 inch

d)

10 m

29.

1 ft =

a)

12 inch

b)

10 inch

c)

11 inch

d)

14 inch

30.

1000 m=

a)

1 km

b)

1 yard

c)

18 inch

d)

100 mm

31.

The length of the path travelled by light in vacuum during the time travelled of ......................... of a second.

a)

1/299 782 458

b)

1/299 729 485

c)

1/ 299 792 854

d)

1/ 299 792 458

32.

THE kilogram originally defined as:

The mass of one cubic decimeter of water at the temperature of maximum density.

it was replaced after the International Metric Convention in 1875 by the International Prototype Kilogram.

a)

True

b)

False

33.

1 g =

a)

1000 mg

b)

1000000 μg

c)

1000000000 ng

d)

0.002 lb

e)

All of them

34.

The second is now defined as 9192631770 times the period of vibration of radiation from the .........

a)

Radium atom

b)

Cesium atom

c)

Francium atom

d)

neon atom

35.

it is specifier of multiples or fractions of the unit.

a)

prefix

b)

suffix

c)

unit

d)

physical quantities

36.

1 hour =

a)

a. 60 min

b)

b. 3600 sec

c)

Both a. and b.

d)

only a.

37.

Which of the following is a base quantity?

a)

Speed

b)

Mass

c)

Force

d)

Pressure

38.

The SI unit of length is:

a)

Meter

b)

Centimeter

c)

Kilometer

d)

Inch

39.

Which instrument can measure length up to 0.1 mm accuracy?

a)

Meter Rule

b)

Varnier Callipers

c)

Measuring Tape

d)

Physical balance

40.

Which one is a derived quantity?

a)

Time

b)

Temperature

c)

Velocity

d)

Length

41.

The least count of a screw gauge is usually:

a)

1 cm

b)

1mm

c)

0.01mm

d)

1µm

42.

The SI unit of density is:

a)

g/cm3

b)

kg/m3

c)

N/m2

d)

J/Kg

43.

Which quantity is measured in candela (cd)?

a)

Pressure

b)

Luminous Intensity

c)

Electric Current

d)

Temperature

44.

. The distance moved per unit time in a specific direction is called:

a)

Speed

b)

Velocity

c)

Acceleration

d)

Force

45.

SI unit of electric current is:

a)

Volt

b)

Coulumb

c)

Ampere

d)

Ohm

46.

The number 6.022×1023is called:

a)


a) Planck’s constant

b)


b) Boltzmann constant

c)


c) Avogadro’s number

d)


d) Gravitational constant

47.

Which of the following is NOT a physical quantity?

a)

length

b)

mass

c)

happiness

d)

time

48.

Scientific notation of 0.00056 is:

a)

5.6 ×104

b)

56 ×10-5

c)

5.6×10-4

d)

56 ×10-3

49.

. A body has a mass of 250 g. Its mass in kilograms is:

a)

0.025kg

b)

0.25kg

c)

2.5kg

d)

25kg

50.

The vernier calipers has 10 divisions on its vernier scale which coincide with 9 divisions of the main scale. The least count is:

a)

0.1 mm

b)

0.01 mm

c)

0.01 cm

d)

0.1 cm

51.

If the pitch of a screw gauge is 1 mm and there are 100 divisions on the circular scale, the least count will be:

a)

0.1 mm

b)

0.01 mm

c)

0.001 mm

d)

1 mm

52.

A student measures the diameter of a wire as 0.50 mm using a screw gauge. If the wire’s length is 2 m, what is its volume?

a)

3.9 ×10-7 m3

b)

3.9 ×10-6 m3

c)

3.9× 10-8 m3

d)

3.9× 10-9 m3

53.

Express 0.000345 in scientific notation:

a)

3.45 ×104

b)

3.45 ×10-4

c)

345 ×10-3

d)

345× 10-5

54.

6. A rectangular box has dimensions: 20 cm × 10 cm × 5 cm. Its volume in cubic meters is:

a)

1× 10-3 m3

b)

1× 10-2 m3

c)

1 ×10-4 m3

d)

1 ×10-5 m3

55.

A stopwatch measures 20 oscillations of a pendulum in 40 s. The time period is:

a)

1 s

b)

2 s

c)

0.5 s

d)

4 s

56.

Quote : " No one undertakes research in Physics with the intention of winning a prize. it is the joy of discovering something no one knew before". said by......

a)

Albert Einstein.

b)

Isaac Newton

c)

Michael Faraday

d)

Stephen Hawking

57.

Physics derived from Ancient Greek " Physicos" meaning

a)

Knowledge of nature

b)

knowledge of Force

c)

Knowledge of Gravity

d)

Knowledge of Universe

58.

Physics is the branch of Science that observe nature and represent it mathematically and conclude with the experiments.

a)

true

b)

false

c)

partially true

d)

none of them

59.

Physical quantities which can not be explained by other physical quantities are called:

a)

Derived Physical Quantities

b)

Fundamental Physical Quantities

c)

None of them

d)

Both of them

60.

Physical Quantities which are explained on the basis of Fundamental Physical Quantities are called"

a)

Derived Physical Quantities

b)

Fundamental Physial Quantities

c)

None of them

d)

Both of them

61.

Some Physical Quantities are unit-less:

a)

a. Electric Modulus

b)

b. Plane angle

c)

c. Solid angle

d)

All of them

e)

only b

62.

The notion of Physical dimension of a physical quantity was introduced by:

a)

Joseph Fourier

b)

Marry Curie

c)

Robert Boyl

d)

j.j.Thomson

63.

Use of every instrument is restricted by smallest measurement that it can perform which is called:

a)

Smallest Number

b)

Least Count

c)

minimum Value

d)

None of these

64.

1 yard =

a)

3 ft

b)

1 ft

c)

12 inch

d)

10 m

65.

1 ft =

a)

12 inch

b)

10 inch

c)

11 inch

d)

14 inch

66.

1000 m=

a)

1 km

b)

1 yard

c)

18 inch

d)

100 mm

67.

The length of the path travelled by light in vacuum during the time travelled of ......................... of a second.

a)

1/299 782 458

b)

1/299 729 485

c)

1/ 299 792 854

d)

1/ 299 792 458

68.

THE kilogram originally defined as:

The mass of one cubic decimeter of water at the temperature of maximum density.

it was replaced after the International Metric Convention in 1875 by the International Prototype Kilogram.

a)

True

b)

False

69.

1 g =

a)

1000 mg

b)

1000000 μg

c)

1000000000 ng

d)

0.002 lb

e)

All of them

70.

The second is now defined as 9192631770 times the period of vibration of radiation from the .........

a)

Radium atom

b)

Cesium atom

c)

Francium atom

d)

neon atom

71.

it is specifier of multiples or fractions of the unit.

a)

prefix

b)

suffix

c)

unit

d)

physical quantities

72.

1 hour =

a)

a. 60 min

b)

b. 3600 sec

c)

Both a. and b.

d)

only a.

73.

Physics is the branch of Science that observe nature and represent it mathematically and conclude with the experiments.

a)

true

b)

false

c)

partially true

d)

none of them

74.

What instrument will you choose to measure height of your friend?

a)

a. Measuring Tape

b)


b. Stadiometer

c)

both of a and b

d)

non of them

e)

only b

75.

How many seconds are there in a year?

a)

31,536,000 seconds

b)

31,600,400 seconds.

c)

86400 seconds

d)

none of them

76.

Which instrument will you choose to measure your mass?

a)

weighing scale

b)

measuring tape

c)

ruler

d)

laser light

77.

if the size of a nucleus is up to 10-15 m. what prefix shall use to describe its size?

a)

1 attometer ( 1 am)

b)

1 nanometer ( 1 nm)

c)

1 picometer ( 1 pm)

d)

1 femtometer (1 fm).

78.

During the cold war between Russia and America. there was a race of:

a)

Astrophysics

b)

Atomic physics

c)

Electronic Physics

d)

Quantum Physics

79.

A black lady mathematician named Katherine solved the problem of putting the first:

a)

Navigation Satellite

b)

Orbital Satellite

c)

Scientific Satellite

d)

Astronomical Satellite

80.

Dead Sea is located in :

a)

Jordan

b)

Japan

c)

Malaysia

d)

Syria

81.

A world wide system of measurement in which the units of base quantities were introduced is called

a)

prefixes

b)

international System of units

c)

hexadecimal system

d)

none of the above

82.

All accurately known digits and first doubtful digit in an expression are known as

a)

non-significant figures

b)

significant figures

c)

estimated figures

d)

crossed figures

83.

If zero line of Vernier Scale coincides with zero of main scale, then zero error is:

a)

positive

b)

negative

c)

zero

d)

one

84.

When the zero of Vernier Scale (VS) is to the right of the Main Scale zero (after 0).

a)

positive

b)

negative

c)

zero

d)

one

85.

When the zero of Vernier Scale (VS) is to the left of the Main Scale zero (before 0).

a)

positive

b)

negative

c)

zero

d)

one

86.

Zero error of the instrument is:

a)

Systematic error

b)

Human error

c)

Random error

d)

Classified error

87.

Lenght, mass, electric current, time, intensity of light and amount of substances are examples of?

a)

base quantities

b)

derived quantities

c)

prefixes

d)

Fundamental quantities

88.

  • Speed

  • Area

  • Volume

  • Force

  • Pressure ......... these are example of

a)

fundamental units

b)

Derived units

c)

Base units

d)

prefixes

89.

The branch of Physics that deals with heat and temperature and their relation to energy and work.

a)

Electricity

b)

Thermodynamics

c)

Magnetism

d)

Atomic Physics

90.

The branch of Physics that is mainly concerned with the laws of motion and gravitation.

a)

Dynamics

b)

Acoustics

c)

Electronics

d)

Mechanics

91.

The branch of Physics that deals with the study of properties of charges in rest and motion.

a)

Atomic Physics

b)

Electronics

c)

Electricity

d)

Electromagnetism

92.

The branch of Physics that deals with the study of magnetic properties of materials.

a)

Magnetism

b)

Magnetics

c)

Meta Physics

d)

Magnetic Physics

93.

The branch of Physics that deals with the composition, structure and properties of atom.

a)

Optics

b)

Atomic Physics

c)

Thermodynamics

d)

Plasma Physics

94.

it is concerned with the application of Physical methods and explanation to bio-physical system and structure.

a)

Bio-Physics

b)

Biological- Physics

c)

Biology

d)

Geo-Physics

95.

..................studies physical aspects of light nd its properties with the help of optical instruments.

a)

Nuclear Physics

b)

Optical- physics

c)

Optics

d)

Optomology

96.

The branch of Physics that deals with the study of production, properties and application of sound waves.

a)

Sound

b)

Soundology

c)

Acoustic

d)

Echo

97.

it is the branch of Physics that deals with with the constituents, structure, behavior and interactions of atomic nuclei.

a)

Atomic Physics

b)

Nuclear Physics

c)

Electromagnetics

d)

Thermodynamics

98.

it studies the elementary constituents of matter and radiation and he interaction between them.

a)

Geo-Physics

b)

Atomic Physics

c)

Nuclear Physics

d)

Particle physics

99.

The branch of Physics that deals with the study of celestial objects with the help of laws of physics.

a)

Celestial Physics

b)

Astronomy

c)

Astrophysics

d)

Astrology

100.

The branch of Physics that deals with properties of highly ionized atoms forming a mixture of bare nuclei and electrons.

a)

plasma Physics

b)

Bio Physics

c)

Atomic Physics

d)

Geo Physics

101.

bare nuclei means.......

a)

without Neutron

b)

without Electron

c)

Without Proton

d)

All of them

102.

The branch of Physics that deals with the study of internal structure of Earth .

a)

Geology

b)

Geo-Physics

c)

Geo-Dynamics

d)

Earthology

103.

A.................. is a device which is used to measure length of different objects.

a)

Vernier Caliper

b)

Meter Rule

c)

Screw Guage

d)

Weighing Scale

104.

Phases / state of mater

a)

solid

b)

liquid

c)

gas

d)

All

e)

none

105.

it has fixed shape and fixed size.

a)

solid

b)

liquid

c)

gas

d)

plasma

106.

it has not fixed shape but has fixed volume or size.

a)

solid

b)

liquid

c)

gas

d)

plasma

107.

it has not fixed shape neither fixed volume or size.

a)

solid

b)

liquid

c)

gas

d)

plasma

108.

it is often called the fourth state of matter .

a)

solid

b)

liquid

c)

gas

d)

plasma

109.

volume of liquid measure with the help of

a)

a. Measuring Cylinders

b)

b. Beakers

c)

only a

d)

both a and b

110.

Measuring Cylinders is a glass or plastic cylinder with a scale graduated in

a)

cubic centimeter (cm3)

b)

milliliters (ml)

c)

both

d)

none

111.

Angular observation may result a ................ reading of the volume using Measuring Cylinder. ( lower meniscus, upper meniscus , eye level)

a)

True

b)

False

112.

volume of sphere can be calculated as;

a)

V=4πr3

3

b)

V=4πr2

3

c)

V=πr3h

d)

V=πr2h

113.

Volume of a Rectangular block can be measured as:

a)

V=πr3h

b)

V=length ×width ×height or

V=l×w×h

c)

V=4πr3

3

d)

V=πr2h

114.

Volume of a cylinder can be calculated as;

a)

V=πr3h

b)

V=πr2h

c)

V=4πr3

3

d)

V=l×w×h

115.

For an irregular solid its volume is calculated by lowering the object in a partially filled measuring cylinder. the rise in the volume of scale gives the volume of that object. thus the volume of irregular solid is calculated by substracting the original volume of liquid from the raised volume of liquid.

a)

True

b)

False

116.

S.I. unit of Density(ρ)is:

a)

a. kg/m3

b)

b. gm/cm3

c)

both a and b

d)

kg/ m2

117.

Density of pure Gold can have any size or mass but density will remain ................

a)

same

b)

change

c)

partially change

d)

Fluctuate

118.

The term..........................of a substance is define as mass of substance(m) per unit volume (v).

a)

Density

b)

Gravity

c)

Relative Density

d)

Specific gravity

119.

Relative Density of Water (H2O)

a)

4 0C

b)

-4 0C

c)

4 0F

d)

4 K

120.

Relative Density

or

Specific Gravity has unit.....

a)

a. no unit

b)

b. g/cm3

c)

c. kg/m3

d)

both b and c

121.

The numbers of reliably known digits ina value are known a s:

a)

Significant Figures

b)

Whole number

c)

Real number

d)

Non significant Figure

122.

how many significant figures in

200

a)

1

b)

3

c)

2

d)

none

123.

00.6022009

significant figures are........

a)

4

b)

5

c)

6

d)

7

124.

it is the branch of Science which deals with studies of matter its composition, properties and interaction with energy.

a)

Physics

b)

Chemistry

c)

Biology

d)

Computer

125.

types of Physicist :

a)

a. theoretical

b)

b. experimental

c)

only a

d)

only b

e)

both a and b

126.

a physical quantity has.....

a)

a . magnitude

b)

b. unit

c)

both

d)

none

127.

the standard of time is second can be measured by....

a)

Clock

b)

Stop Watch

c)

Tower Clock

d)

Wrist Watch

128.

The measured or calculated values ether macroscopic or microscopic can be measured in........

a)

Scientific Notations

b)

Scientific Figures

c)

Significant numbers

d)

only numbers

129.

The volume of irregular objects can be calculated through measuring cylinder with displacement of water.

a)

True

b)

False

130.

............... can be used to represent large or smaller values of a physical quantity.

a)

Significant Figures

b)

units

c)

prefixes

d)

Sientific Notation

131.

The density of objects can be calculated with the help of water as a reference known as specific gravity also known as.............

a)

Gravitational Force

b)

Relative Density

c)

Density

d)

Molecular Mass

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