Learn efficiency MCQs, physics test for online learning courses and test prep to practice. Work and energy quiz questions has multiple choice questions (MCQ), efficiency test to learn for online 11th physics courses distance learning.

Physics practice test MCQ: the efficiency of a solar cell is with options 0.8, 0.35, 0.55 and 0.03 with online free learning portal for viva voce, practice tests and online competitive exam preparation. Free physics revision notes to learn efficiency quiz with MCQs to find questions answers based online learning tests.

MCQ: The efficiency of a solar cell is

1. 0.8
2. 0.35
3. 0.55
4. 0.03

D

MCQ: (required form of output/total input energy)×100 is equal to

1. % power
2. % efficiency
3. % stress
4. % strain

B

MCQ: Efficiency of cyclist when he does 12 J of useful work from every 100 J of food energy he takes is

1. 0.13
2. 0.14
3. 0.12
4. 0.15

C

MCQ: An body builder does 15 Joules of useful work from every 60 Joules of food energy which he takes. His efficiency will be

1. 0.15
2. 0.25
3. 0.3
4. 0.35

B

MCQ: If some energy given to a system, then energy in required form obtained is always

1. less than the given energy
2. equal to the given energy
3. greater than the given energy
4. none of above

A