Physics Quiz

1. Mercury thermometers can be used to measure temperature up to

(a) 260°C
(b) 100°C
(c) 360°C
(d) 500°C
2. The temperature of a gas is measured with a
(a) platinum resistance thermometer
(b) pyrometer

(c) gas thermometer
(d) vapour pressure thermometer 
3. The temperature of the sun is measured with
(a) platinum thermometer
(b) pyrometer

(c) gas thermometer

 (d) vapour pressure thermometer

4. Fahrenheit scale divides two fixed points into
(a) 180 parts 
(b) 212 parts
(c) 100 parts

(d) 32 parts
5. SI unit of heat is
(a) Calorie

(b) Joule

(c) Kelvin
(d) None of these
6. When an object is heated, the molecules of that object
(a) began to move faster

(b) lose energy

(c) become heavier
(d) become lighter
7. Which of the following substances has greatest specific heat?
(a) Iron

(b) Gold

(c) Copper

(d) Mercury

8. One Joule is approximately equal to
(a) 0.28 cal
(b) 0.32 cal
(c) 0.24 cal
(d) 4.2 cal
9. Glaciers always melt at the ………… first.
(a) top surface

(b) sides

(c) bottom

(d) middle surface
10. Calorimeters are generally made of
(a) copper

(b) brass
(c) aluminum

(d) zinc

11. One fermimete is equal to
(a) 10^-9 m
(b) 10^-15 m
(c) 10^-18 m
(d) 10^-12 m

12. SI unit of luminious intensity is
(a) Lumen
(b) Lux
(c) Candela

(d) Watt

13. Masses of stars and galaxies are usually expressed in terms of
(a) Neutron mass

(b) Earth’s mass

 (c) Solar mass
(d) Lunar mass

14. What is the SI unit of Young’s modulus of elasticity
(a) Dyne/cm
(b) Newton/m
(c) Newton/m²
(d) m²/s 

15. When the milk is churned vigorously the cream from it is separated out due to
(a) Frictional force
(b) Centrifugal force

 (c) Centripetal force
(d) Gravitational force
16. One astronomical unit is the average distance between
(a) Earth and the sun

 (b) Earth and the moon

 (c) Jupiter and the sun
(d) Pluto and the sun

17. Which of the following physical quantities have the same dimensions?
(a) Kinetic energy, velocity

 (b) Work and torque

 (c) Potential energy, linear momentum
(d) Angular momentum and work

18. Maxwell is the unit of
(a) Intensity of magnetization

 (b) Permeability

 (c) Magnetic flux
(d) Magnetic susceptibility

19. Unit of solid angle is
(a) Degree
(b) Radian
(c) Steradian
(d) Radian-second

20. Which of the following is not a vector quantity?
(a) Electric current
(b) Electric field
(c) Acceleration
(d) Linear momentum