Thermal Energy in Physics Quiz Questions and Answers PDF - 13

MCQ 61: Cooking utensils are a good example of

1. Conduction
2. Convection
3. Radiation
4. Conduction and Radiation

MCQ 62: A mercury-in-glass thermometer has l₁₀₀ 30 cm and l₀ is 10 cm, if the l_θ is 25 cm, temperature of thermometer would be

1. 12.5 °C
2. 25 °C
3. 50 °C
4. 75 °C

MCQ 63: Any two shortest points in a wave that are in phase are termed as

1. wave distance
2. wavelength
3. phase length
4. amplitude

MCQ 64: If the heat capacity of a 10 g of a substance is 300 J K^-1, the heat capacity of a 100 g of the same substance would be equal to

1. 3 J ⁄ K
2. 30 J ⁄ K
3. 300 J ⁄ K
4. 3000 J ⁄ K

MCQ 65: In order to do work, energy is

1. transferred or converted
2. used up
3. lost
4. lost or transferred