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IGCSE O Level Physics Practice Test 47

# Pressure in Physics Quiz PDF: Questions and Answers - 47

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The Quiz: A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, force exerted by the atmosphere on the surface of water would be; "Pressure in Physics" App Download (Android & iOS) Free with answers 50 kn, 20 kn, 100 kn and 200 kn to learn online certificate courses. Practice pressure in physics questions and answers, Google eBook to download free sample for online college courses.

## Pressure in Physics Questions and Answers : Quiz 47

MCQ 231: A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, force exerted by the atmosphere on the surface of water would be

A) 20 kN
B) 50 kN
C) 100 kN
D) 200 kN

MCQ 232: A metal wire resists 200 Ω at ice point and 240 Ω at steam point, and the resistance of wire is 212 Ω, so the room temperature would be

A) 10 °C
B) 20 °C
C) 30 °C
D) 40 °C

MCQ 233: Normal human body temperature is equal to 310 K, which is equal to

A) −37 °C
B) −583 °C
C) 583 °C
D) 37 °C

MCQ 234: Specific heat capacity of salty (sea) water is

A) 1900 J kg-1 °C-1
B) 2900 J kg-1 °C-1
C) 3900 J kg-1 °C-1
D) 4900 J kg-1 °C-1

MCQ 235: Process of thermal energy transfer through molecular vibration or free electron diffusion in solids is termed as

A) Conduction
B) Convection

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