1. Temperature can be expressed as a derived quantity in terms of any of the following

a) Length and mass

b) Mass and time

c) Length, mass and time

d) None of these

Explanation: Because temperature is a fundamental quantity.

2. Unit of power is

a) Kilowatt

b) Kilowatt-hour

c) Dyne

d) Joule

Explanation: Unit of power is Kilowatt

3. Density of wood is 0.5 gm/cc in the CGS system of units. The corresponding value in MKS units is

a) 500

b) 5

c) 0.5

d) 5000

Explanation: 1 C.G.S unit of density = 1000 M.K.S. unit of density = 0.5 gm/cc = 500 kg/m

^{3}

4. Unit of energy is

a) J / sec

b) \[Watt-day\]

c) Kilowatt

d) \[gm-cm / sec^{2}\]

Explanation: Unit of energy is \[Watt-day\]

5. Which is the correct unit for measuring nuclear radii

a) Micron

b) Millimetre

c) Angstrom

d) Fermi

Explanation: Fermi

6. One Mach number is equal to

a) Velocity of light

b) Velocity of sound (332 m / sec)

c) 1 km / sec

d) 1m / sec

Explanation:

7. The unit for nuclear dose given to a patient is

a) Fermi

b) Rutherford

c) Curie

d) Roentgen

Explanation: Roentgen

8. Volt/metre is the unit of

a) Potential

b) Work

c) Force

d) Electric intensity

Explanation:

9. \[Newton/met re^{2}\] is the unit of

a) Energy

b) Momentum

c) Force

d) Pressure

Explanation: \[Newton/met re^{2}\] is the unit of Pressure

10. The unit of surface tension in SI system is

a) \[Dynen/cm^{2}\]

b) Newton / m

c) \[Dyne/cm\]

d) \[Newton/m^{2}\]

Explanation: