Free Printable SPECIAL PHYSICS

1.

If the dimensional formula of A and B are M and $LT^{-1}$ ,Find the dimensional formula of C = $\frac{3}{2}$ $BA^2$

a)

$M^2LT^{-1}$

b)

$ML^2T^{-2}$

c)

$MLT^{-1}$

2.

the radius of helium atom is 0.0045 nm , then it is equivalent to ………

a)

0.045× 10^-7m

b)

45× 10^-13m

c)

0.45× 10^-10m

3.

3 mm is .......................... nm

a)

$3\times10^6$

b)

$3\times10^{-6}$

c)

$3\times10^{-3}$

4.

1. The number of significant figures in 0.06900 is

a)

6

b)

4

c)

5

d)

3

5.

all of the following are unit of work except……………

a)

joules

b)

N.m

c)

kg m² s^-2

d)

kg m s^-2

6.

if the dimensional formula X = $MLT^{-1}$ , K = $LT^{-2}$ and of Y = MT ,so the possible relation that can include these physical quantity is ……

a)

$X=\frac{Y}{K}$

b)

$Y=\frac{X}{K}$

c)

$Y\ =\ X\ K$

7.

3 mm is .......................... nm

a)

$3\times10^6$

b)

$3\times10^{-6}$

c)

$3\times10^{-3}$

8.

SI unit for mass

a)

kilograms

b)

grams

c)

pounds

d)

ounces

9.

SI unit for length

a)

miles

b)

centimeters

c)

meters

d)

inches

10.

SI unit for time

a)

seconds

b)

minutes

c)

hours

d)

days

11.

SI unit for current

a)

millivoltage

b)

voltage

c)

milliampere

d)

ampere

12.

SI unit for power

a)

Watts

b)

Joules

c)

Newtons

d)

Meters

13.

SI unit for power

a)

Joules

b)

Joules second

c)

Joules / second

d)

second / Joules

14.

SI unit for force

a)

Joules

b)

Watts

c)

Newtons

d)

meters

15.

nano is

a)

m

b)

M

c)

μ

d)

n

e)

p

16.

micro is

a)

m

b)

M

c)

μ

d)

n

e)

p

17.

milli is

a)

m

b)

M

c)

μ

d)

n

e)

p

18.

deci is

a)

x 10^-1

b)

x 10^-2

c)

x 10^-3

d)

x 10^-6

e)

x 10^-9

19.

mega is

a)

m

b)

M

c)

μ

d)

n

e)

p

20.

micro is

a)

x 10^-1

b)

x 10^-2

c)

x 10^-3

d)

x 10^-6

e)

x 10^-9

21.

kilo is

a)

x 10³

b)

x 10⁶

c)

x 10⁹

d)

x 10¹²

22.

Period of a pendulum depends ONLY on...

a)

angle at which it is released

b)

mass of pendulum bob

c)

size of pendulum bob

d)

length of pendulum

23.

Pressure is a ...................... quantity.

a)

Fundamental

b)

Derived

c)

Mixed.

d)

No right answer.

24.

Density is a ........................quantity.

a)

Fundamental

b)

Derived

c)

Mixed

d)

No right answer.

25.

Vernier caliper is the measuring tool of .................

a)

Time

b)

Length

c)

Mass

d)

Weight

26.

Choose the correct pair which has same dimensions

a)

Impulse and momentum

b)

Velocity and acceleration

c)

Work and energy

d)

Plank's constant and gravitational constant

27.

The dimension of temperature gradient is....

a)

[K L-2]

b)

[K L-1]

c)

[ K L-4]

28.

Cgs unit of heat energy is

a)

Joule

b)

Calorie

c)

Dynes

d)

Newton

29.

Choose the correct pair which have no units

a)

Angle and relative velocity

b)

Solid angle and energy

c)

Relative density and refractive index

30.

Dimension of shears modulus is same as that of

a)

Pressure

b)

Power

c)

Young's modulus

d)

Energy

31.

What is the dimension of coefficient of viscosity

a)

[ M L -1T -1]

b)

[ M L -1T -2

c)

[ M L -3T -1]

32.

What is the dimension of Boltzmann constant

a)

[M1 L2 T-2 K-3].

b)

[M1 L2 T-2 K-2].

c)

[M1 L2 T-3 K-1].

d)

[M1 L2 T-2 K-1]

33.

Which of the following is the unit of latent heat:

a)

J

b)

J mol^-1

c)

J Kg^-1

d)

J Kg^-1 mol^-1

34.

Unit of angular acceleration is SI system:

a)

N kg^-1

b)

m sec^-2

c)

rad sec^-2

d)

km kg^-1

35.

erg m^-1 can be the unit of the measure of

a)

force

b)

momentum

c)

power

d)

acceleration

36.

What is the basic unit for length

a)

meter

b)

centemeters

c)

yards

d)

kilograms

37.

What is the base unit for mass

a)

pounds

b)

kilograms

c)

grams

d)

dollars

38.

What is the basic unit for time

a)

seconds

b)

minutes

c)

hours

d)

days

39.

Unit of angular acceleration is SI system:

a)

N kg^-1

b)

m sec^-2

c)

rad sec^-2

d)

km kg^-1

40.

Length cannot be measured by

a)

fermi

b)

debye

c)

micron

d)

light year

41.

the dimensions of energy are

a)

$M\ L^{-1}\ T\ ^{-2}$

b)

$M\ L^{-2}\ T\ ^{-2}$

c)

$M\ L^2\ T\ ^{-2}$

d)

$M\ L^2\ T\ ^{-1}$

42.

the dimensions of energy are

a)

$M\ L^{-1}\ T\ ^{-2}$

b)

$M\ L^{-2}\ T\ ^{-2}$

c)

$M\ L^2\ T\ ^{-2}$

d)

$M\ L^2\ T\ ^{-1}$

43.

the dimensions of viscosity coefficient are

a)

$M\ L^{-1}\ T\ ^{-2}$

b)

$M\ L^{-1}\ T\ ^{-1}$

c)

$M\ L^{ }\ T\ ^{-1}$

d)

$M\ L^{-2}\ T\ ^{-2}$

44.

the following equation is dimensionally

$v^2\ =v_0^2\ +2\ a\ d$
Where :
v is the velocity
a is the acceleration
d is the distance

a)

Correct

b)

incorrect

45.

if the force depends upon pressure , area , and the viscosity coefficient , Find the equation of the force

a)

$F=P\ A\ \eta$

b)

$F=\frac{P}{A\ \eta}$

c)

$F=\frac{P}{A}$

d)

$F=\frac{\eta\ A}{P}$

46.

the mass per unit area has the dimensions of ......

a)

$M\ L^{-2}$

b)

$M\ L^{-1}$

c)

$M$

d)

$M^{\ -1}\ L^{ }$

47.

What is the DIMENSION of length?

a)

[M]

b)

[L]

c)

[T]

d)

[l]

48.

Which one of these options is NOT a derived quantity?

a)

Area

b)

Volume

c)

Density

d)

Temperature

49.

What is the SI unit of speed?

a)

m/s

b)

cm/s

c)

km/hour

d)

kg/m

50.

1 nm (nano-meter) = .... m

a)

1 x 10^-12

b)

1 x 10⁹

c)

1 x 10^-9

d)

1 x 10¹²

51.

What is the DIMENSION of acceleration?

a)

L³

b)

[L/T]

c)

[L/T²]

d)

LT

52.

Which one is not a dimension?

a)

Length

b)

Mass

c)

Time

d)

Kelvin

53.

Which one is a unit?

a)

Feet

b)

Second

c)

Square meter

d)

All of the mentioned

54.

The below given distance units are arranged in an order of

nm, mm, dm, m, Km

a)

Smallest to largest

b)

Largest to smallest

c)

Not arranged in any correct order

d)

None of the mentioned

55.

Find out the dimensionless quantity

a)

Pressure

b)

Reynolds Number

c)

Viscosity

d)

Density

56.

Which of the following is not a base unit?

a)

meter

b)

newton

c)

kilogram

d)

second

57.

Which of the following is a derived unit?

a)

metre

b)

second

c)

kilogram

d)

joule

58.

How many minutes are in a year?

a)

I can't count that high.

b)

525,600min

c)

52,560min

d)

31,536,000min

59.

You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.

a)

25 mg

b)

25,000 mg

c)

250 mg

d)

2500 mg

60.

The _____________of a physical quantity is defined as the power of fundamental quantities are raised in order to represent that quantity

a)

Numerical value

b)

Dimensions

c)

Derived physical quantity

d)

Base physical quantity

61.

Dimensional formula of area is

a)

[L^2]

b)

[L^5]

c)

[L^4]

d)

[L^3]

62.

The quantities do not possess dimension formula but have a fixed value is called

a)

Dimensionless constant

b)

Dimensionless variables

c)

Dimensional constant

d)

Dimensional variable

63.

The qualities whose values are variables and they do not have dimensions is called

a)

Dimensionless constants

b)

Dimensionless variables

c)

Dimensional constant

d)

Dimensional variables

64.

Examples of dimensionless variables are

a)

relative density, angle

b)

Density ,work

c)

Force, momentum

65.

Dimensional formula of speed

a)

[M^1L^2T^0]

b)

[M^0L^2T^1]

c)

[M^0L^1T^-1]

66.

Dimensional formula of work is

a)

[M^1L^2T^1]

b)

[M^1L^2T^-2]

c)

[M^1L^2T^0]

SPECIAL PHYSICS_QUIZ 4

Total questions: 66

Worksheet time: 43mins

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