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IGCSE O Level Physics Practice Test 37

# Work and Energy Quiz Questions and Answers PDF - 37

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The Quiz: Formula for the gravitational potential energy is; "Work & Energy" App Download (Free) with answers ep = m/gh, where m is mass, g is gravitational pull and is height, ep = mg/h, where m is mass, g is gravitational pull and is height, ep = mgh, where m is mass, g is gravitational pull and is height and ep = gh/m, where m is mass, g is gravitational pull and is height to study online IGCSE courses. Solve energy, work and power questions and answers, Amazon eBook to download free sample for free online college courses.

## Work & Energy Questions and Answers : Quiz 37

MCQ 181: The formula for the gravitational potential energy is

A) Ep = mg/h, where m is mass, g is gravitational pull and is height
B) Ep = m/gh, where m is mass, g is gravitational pull and is height
C) Ep = mgh, where m is mass, g is gravitational pull and is height
D) Ep = gh/m, where m is mass, g is gravitational pull and is height

MCQ 182: The standard symbol for heat capacity is

A) H
B) C
C) Q
D) E

MCQ 183: There are three kinds of equilibrium, which of the following is the odd one out?

A) Stable equilibrium
B) Metastable equilibrium
C) Unstable equilibrium
D) Neutral equilibrium

MCQ 184: A scientist raises the temperature of a solid of mass 40 kg from 20 °C to 40 °C, if the energy used by the solid is 8000 J, the specific heat capacity of the solid would be

A) 2 J kg-1 °C-1
B) 5 J kg-1 °C-1
C) 10 J kg-1 °C-1
D) 20 J kg-1 °C-1

MCQ 185: The specific latent heat of hot chocolate is 60 J kg-1 and its latent heat is 3 J, the mass of the hot chocolate would be

A) 180 J
B) 20 J
C) 63 J
D) 57 J

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