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Physics Quiz

Total questions: 62

Worksheet time: 33mins

Name
Class
Date
1.
Metals are good conductors of electricity because
a)
they contain free electrons
b)
the atoms are lightly packed 
c)
they have high melting point
d)
all of the above
2.
Pa (Pascal) is the unit for
a)
Thrust
b)
Pressure
c)
Frequency
d)
Conductivity
3.
Light from the sun reaches us in nearly
a)
2 minutes
b)
4 minutes
c)
8 minutes
d)
16 minutes
4.
Light year is a unit of
a)
Time
b)
Distance
c)
Light
d)
Intensity of light
5.
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
a)
work done in rolling is more than in lifting
b)
work done in lifting the stone is equal to rolling it
c)
Work done in both is same but the rate of doing work is less in rolling
d)
work done in rolling a stone is less than in lifting it
6.
Which of these is a unit of work?
a)
Watt
b)
Meter
c)
Joule
d)
Newton
7.

The most commonly used semi-conductive material is -

a)

Germanium

b)

Silicon

c)

Carbon

d)

Sulphur

8.

A device that converts chemical energy into electrical energy is called -

a)

motor

b)

generator

c)

battery

d)

moving-coil meter

9.

After a shower of rain, a rainbow is seen -

a)

Even in the absence of the sun

b)

opposite the sun

c)

towards the sun

d)

anywhere, irrespective of the position of the sun

10.

The weight of an object is due to -

a)

the net force acting on it

b)

the total of all forces acting on it irrespective of their directions

c)

the force that it exerts on the ground

d)

its inert property

11.
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
a)
The heating effect of current alone
b)
Hysteresis loss alone
c)
both the heating effect of current and hysteresis loss
d)
intense sunlight at noon
12.
Planets do not twinkle because
a)
they emit light of a constant intensity
b)
Their distance from the earth does not change the  time
c)
They are very far away from the earth resulting in decrease in intensity of light
d)
They are nearer to earth and hemce we recieve a greater amount of light and, therefore minor variations in the intensity are not noticeable
13.

Of the main types of radiation emitted from naturally radioactive isotopes, which is the hardest to block?

a)

Alpha deca

b)

Gamma Decay

c)

Beta decay

d)

They are all blocked using the same method

14.
What is radioactive decay?
a)
The spontaneous breakdown of an atomic nucleus resulting in only energy release
b)
The spontaneous breakdown of an atomic nucleus resulting in only matter release
c)
The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter
d)
The decay of the use of radios and the increased use of televisions.
15.

Examine the figure and state which of the following is correct?

a)

The mirror has a focal length of -6 cm and will produce an image of magnification +1

b)

The mirror has a focal length of -3 cm and will produce an image of magnification -1

c)

The mirror has a focal length of -3 cm and will produce an image of magnification +1

d)

The mirror has a focal length of -6 cm and will produce an image of magnification -1

16.

Ursa Major seen in the sky is

a)

An Asteroid

b)

A Binary Star

c)

A Comet

d)

A Constellation

17.

Which among the following is considered as the fourth stage of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

18.

A light microscope is usually used by the scientists of …

a)

Biology

b)

Physics

c)

Anthropology

d)

Astrophysics

19.

Why is clear sky night cooler than the cloudy sky night?

a)

Radiation

b)

Insolation

c)

Conduction

d)

Convection

20.

Select ALL of the states of matter

a)

Solid

b)

Liquid

c)

Gas

d)

Proton

e)

Hydrometer

21.

Energy is the capacity of an object or body to perform what?

a)

Kinetic energy

b)

Work

c)

Force

d)

Pressure

22.

Stored Energy

a)

Latent

b)

Specific

c)

Potential

d)

Strain

23.

The reference fluid for measuring the specific gravity of a gas is what?

a)

Carbon Dioxide

b)

Hydrogen

c)

Water

d)

Air

24.

What is the force by which gravity attracts a body?

a)

Weight

b)

Mass

c)

Drag

d)

Force

25.

Would a material having a specific gravity of 0.8 float in water, or would it sink?

a)

Float

b)

Sink

26.

What are two types of energy? (Select all possible answers)

a)

Potential

b)

Kinetic

c)

Force

d)

Work

27.

Select ALL the types of simple mechanical advantage devices.

a)

Pulleys

b)

Levers

c)

Gears

d)

Incline Plane

28.

What is the basic difference between a second and first class lever?

a)

They are the same

b)

The resistance and effort move in opposite directions

c)

The formula to calculate effort

29.

What is the main characteristic of a 3rd class lever?

a)

Increase Speed

b)

Power

c)

Force

d)

Less weight can be moved

30.

What is anything that occupies space and has weight.

a)

Matter

b)

Mass

c)

Weight

d)

Kinetic

31.

The smallest particle of any substance is known as what?

a)

Molecule

b)

Atom

c)

Neutron

d)

Electron

32.

A wheelbarrow is what class lever?

a)

1st

b)

2nd

c)

3rd

33.

Energy stored in a material due to its position or configuration is known as what?

a)

Kinetic

b)

Potential

c)

Latent

d)

Sensible

34.

The specific gravity of a liquid is measured with what?

a)

Thermometer

b)

Gyroscope

c)

Hydrometer

d)

Potentiometer

35.

What is the formula for calculating potential energy? 

a)

Weight x Height

b)

Mass x Weight

c)

Area x Pressure

d)

Force / Pressure

36.

How many NATURAL elements are there?

a)

91

b)

92

c)

95

d)

96

e)

109

37.

Liquids are highly compressible?

a)

True

b)

False

38.

What is the force required to move a piston if the area is 3.5in. and the pressure is 258 PSI?

a)

73.7143

b)

903

c)

261.5

d)

254.5

39.

What is the electrical measurement for HORSEPOWER?

a)

Watt

b)

Joule

c)

Amp

d)

Ohm

40.

Who is this great Scientist of India?

a)

J C Bose

b)

Subrahmanyan Chandrasekhar

c)

C V Raman

d)

S N Bose

41.

The value of the acceleration of an object moving at constant velocity is (a)   .

42.

Which Constellation Is Near To The Brightest Star Sirius?

a)

Orion

b)

Ophiuchi

c)

Orionis

d)

Pavonis

43.

The stars forming a recognizable shape is called

a)

galaxy

b)

constellation

c)

asteroids

d)

system

44.

Which star is nearest to Earth?

a)

Pole star

b)

Orion

c)

Sun

d)

Cassiopeia

45.

What is STR?

a)

Special Technology Return

b)

Short Term Response

c)

Special Theory of Relativity

d)

Special Theory of Resonance

46.

How many Laws of Motion are there?

a)

1

b)

2

c)

3

d)

4

47.

Ball pen works on principle of

a)

Boyle's Law

b)

Newton's Law

c)

Viscosity

d)

Capillarity and surface tension

48.

The gravitational force between two bodies is

(a)  

49.

Which branch of physics do you like most?

a)

Optics

b)

Thermodynamics

c)

Classical Mechanics

d)

Quantum Mechanics

50.

What Kind of Dog Does Mr. Mai Have

a)

Corgi

b)

Beaver

c)

Wolf

d)

Chihuahuas

51.

Has Mr. Mai ever travelled to Japan

a)

YES

b)

no

52.

Where did Mr. Mai go to College

a)

USC

b)

UCLA

c)

Cal ST. Fullerton

d)

Cal ST. Long Beach

53.

Does Mr. Mai like to cook

a)

No

b)

Yes

c)

Maybe

d)

Maybe Not

54.

Where did Mr. Mai grow up

a)

LA

b)

Long Beach

c)

Lake Tahoe

d)

Las Vegas

55.

Every Action has an _ and _ reaction!

a)

Equal, opposite

b)

Beautiful, inspiring

c)

Calculable, predictible

d)
56.

_ = Mass x Acceleration

a)

Unicorns

b)
c)

Force

d)

Velocity

57.

An object at rest will stay at rest unless acted on by another _

a)

Unbalanced force

b)

Force

c)
d)

kid

e)

Push in the right velocity

58.

The reason your body jerks forward when the car stops is because of:

a)

Gravity

b)
c)

Inertia

d)

It wants too

59.

Joey (left) threw a football, it went 1 mile away. Jacky (right) threw a football, it went a quarter mile away. Why did joey's football go farther?

a)

Joey applied more force to the football

b)

Because Joey's football can fly

c)

Gravity doesn't exist

d)

Joey has a bigger mass.

60.

Unballanced forces can do anything except

a)

Fly

b)

Not Change

c)

Change

d)

slow down

61.

According to Newton's 3rd law, when the rocket exerts force on the ground it....

a)

Laughs

b)
c)

flys like a bird

d)

launch's off the ground

62.

Is Newton's hair awsome?

a)

Yes

b)

No

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