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Monday, 29 April 2019

Physics MCQs /Physics E book library

Pages: 1 |    2 |    3 |    4

The Answer key for MCQs from 1 to 57 is at page 4

1. The branch of physics which deals with the ultimateparticles of which the matter is composed is:

a) Plasma physics
b) Atomic physics
c) Nuclear physics
d) Particle physics

2. The branch of physics which deals with atomic nuclei
is called

a) Acoustics
b) Thermodynamics
c) Magnetism
d) Nuclear physics

3. Silicon is abundantly obtained from:

a) Water
b) Metal
c) Sand
d) Stones

4. The number of base units are:
a) Three
b) Five
c) Seven
d) Nine

5. Which of the following is a derived quantity:
a) Force
b) Mass
c) Length
d) Time

6. Which of the following is SI base unit?
a) gram
b) slug
c) Newton
d) kilogram

7. Which one of the following is not a unit of length:
a) Angstrom
b) Micron
c) Radian
d) Light year

8. Which is not a base unit in SI units?
a) Kilogram
b) Joule
c) Ampere
d) Kelvin

9. An example of derived unit is
a) Candela
b) Ampere
c) Coulomb
d) Mole

10. Candela is the SI unit of
a) Charge
b) Luminous intensity
c) Power
d) Refractive index

11. An alternate unit to kgms is
a) Js
b) Ns
c) Nm
d) N

12. The SI units of pressure in terms of base units are
a)kgm1 s2
b)kgm1 s3
c)kgm    s2
d)kgm2  s2

13. The SI unit of plane angle is
a) Steradian
b) Radian
c) Degree
d) Candela

14. Steradian is the angel which lies in:
a) One dimension
b) Two dimensions
c) Three dimensions
d) None

15. The SI unit of the solid angle is
a) Degree
b) Steradian
c) Revolution
d) Radian

16. The solid angle subtended at the center of sphere by
an area of its surface equal to the square of radius of
the sphere is called:
a) Degree
b) Radian
c) Minute
d) Steradian

17. SI unit of pressure is
d)N-2 m

18. Which is a derived unit:
a) Candela
b) Ampere
c) Kelvin
d) Newton

19. The unit of force is________ and its symbol is
_______ which is the correct pair?
a) Newton, n
b) Newton, N
c) newton, n
d) newton, N

20. Which one is the correct representation of the unit of
a) Newton/Meter2
b) newton/meter2
c) Newton/meter2

d) Newton/Meter2

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