IGCSE O Level Physics MCQs - Chapter 2

Energy, Work and Power Quiz Questions and Answers PDF - 7

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The Quiz: Formula for efficiency is; "Energy, Work and Power" App Download iOS & Android (Free) with answers (energy input / energy output) × 100, (energy input / energy output) × 100, (useful energy input / energy output) × 100 and (useful energy output / total energy input) × 100 to learn online school courses. Study efficiency: o level physics quiz questions, download Amazon eBook (Free Sample) for online degree programs.

Energy, Work & Power Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Formula for efficiency is

(energy input / energy output) × 100
(energy input / energy output) × 100
(useful energy input / energy output) × 100
(useful energy output / total energy input) × 100

MCQ 32: A plane flies a distance of 5000 m with the work done of 25000 J, the force applied is

20000 N
30000 N
125000 N
5 N

MCQ 33: An object has E_p of 500 J with a mass of 25 kg and gravity of 10 N kg^-1, height of object is

20 m
1250 m
2 m
125000 m

MCQ 34: Food we eat contains

Chemical Potential Energy
Elastic Potential Energy
Gravitational Potential Energy
Kinetic energy

MCQ 35: SI unit for power is

Joules
Watts
Ohms
Newton

IGCSE O Level Physics Mock Tests

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