IGCSE O Level Physics Practice Test 37

Work and Energy Quiz Questions and Answers PDF Download - 37

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The Quiz MCQ: The formula for the gravitational potential energy is; "Work & Energy" App Download (Free) with answers: E_p = m/gh, where m is mass, g is gravitational pull and is height; E_p = mg/h, where m is mass, g is gravitational pull and is height; E_p = mgh, where m is mass, g is gravitational pull and is height; E_p = gh/m, where m is mass, g is gravitational pull and is height; for schools that offer online degrees. Learn Energy, Work and Power Questions and Answers, Apple eBook to download free sample to study online IGCSE courses.

Work & Energy Questions and Answers PDF Download: MCQ 37

MCQ 181:

The formula for the gravitational potential energy is

E_p = mg/h, where m is mass, g is gravitational pull and is height
E_p = m/gh, where m is mass, g is gravitational pull and is height
E_p = mgh, where m is mass, g is gravitational pull and is height
E_p = gh/m, where m is mass, g is gravitational pull and is height

MCQ 182:

The standard symbol for heat capacity is

MCQ 183:

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

Stable equilibrium
Metastable equilibrium
Unstable equilibrium
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

2 J kg^-1 °C^-1
5 J kg^-1 °C^-1
10 J kg^-1 °C^-1
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

180 J
20 J
63 J
57 J

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