Converging Lens MCQs (Multiple Choice Questions) PDF Download - 74

Distance between optical center and focal point is termed as

1. converging length
2. focal length
3. meeting length
4. crossing length

Centigrade (Celsius) scale has two fixed points which are

1. Melting point and boiling point
2. ice point and steam point
3. condensing point and freezing point
4. subliming point and solidifying point

If the temperature is decreased, the rate of evaporation would

1. increase
2. decrease
3. remain same
4. may increase or decrease

We may feel internal injury or altitude sickness at higher or lower altitudes than sea level because

1. the pressure of our body remains the same
2. our body adjusts the pressure slowly
3. our body experiences high pressure
4. our body experiences low pressure

Amount of thermal energy required to raise temperature of 1 kg of substance by 1 K (1 °C) is termed as

1. Heat capacity
2. Specific Heat Capacity
3. Latent Heat
4. Specific Latent Heat