Physics interview questions – page 27

The latent heat of fusion of ice is ____ cal/g.

1. 69.7
2. 76.9
3. 79.7
4. 68.9

Mica is used in an electric iron because it is a

1. Good conductor of heat
2. Bad conductor of heat
3. Good conductor of electricity
4. Bad conductor of electricity

Which one of the following pairs of rays is electromagnetic in nature?

1. Alpha rays and beta rays
2. X-rays and gamma rays
3. Beta rays and gamma rays
4. Cathode rays and X-rays

X-rays cannot pass through

1. Wood
2. Flesh
3. Glass
4. Bone

The carbon filament is invented by

1. Ampere
2. Edison
3. Volt
4. Newton