Converging Lens MCQ with Answers PDF Download – Test 32

Any transparent material having two surfaces of which at least one is curved is called

1. endoscope
2. lens
3. light pipe
4. microscope

The amount of thermal energy required to change the solid to liquid state, or vice versa, without a change in temperature is known as

1. specific latent heat of fusion
2. latent heat of vaporization
3. latent heat of fusion of a solid
4. specific latent heat of vaporization

The focal point is also termed as

1. principal focus
2. focal length
3. focal plane
4. principal axis

The component of internal energy due to stretching and compressing of the interatomic bonds is known as

1. negative component
2. average component
3. potential component
4. kinetic component

They are formed by large masses of snow and ice that accumulate in great quantities on mountain-tops

1. ponds
2. galaxies
3. glaciers
4. igloos