Introduction to Pressure MCQs with Answers PDF Download – Test 162

MCQ 806: One lady is wearing high heels and other one is wearing flat shoes. Shoes going to get stuck in the mud are:

1. The high heels
2. The flat shoes
3. Both of them
4. None of them

MCQ 807: The transfer of heat energy is because of:

1. good conductivity of a metal
2. bad conductivity of a metal
3. atomic or molecular vibration
4. neutronic activation

MCQ 808: In an aquarium, air bubble at the bottom has a volume = 0.5 mm³. What would be the size of the bubble at the top if the height of the water level is = 1 m. (density of water = 1000 kg ⁄ m³, atmospheric pressure = 1 × 10⁵ Pa, gravitational acceleration = 10 m s^-1²):

1. 0.5 mm³
2. 0.55 mm³
3. 0.6 mm³
4. 0.65 mm³

MCQ 809: In a science lab, a student uses 150g of water and heats it from 10 °C to 30 °C with the energy of 10000 J, the heat capacity of the water is:

1. 250 J K^-1
2. −250 J K^-1
3. 500 J K^-1
4. −500 J K^-1

MCQ 810: Speed of a microwave of wavelength 5 × 10^-3 m in a vacuum is 5 × 10⁸ m s^-1, its frequency is equal to:

1. 1.5 × 10⁵ m s^-1
2. 6 × 10⁹ m s^-1
3. 1.5 × 10⁶ m s^-1
4. 6 × 10¹⁰ m s^-1