Class 9 Courses

Class 9 physics Practice Tests

Class 9 Physics Online Tests

Efficiency MCQ (Multiple Choice Questions) PDF Download

The Efficiency Multiple Choice Questions (MCQ Quiz) with Answers PDF (Efficiency MCQ PDF e-Book) download to practice Grade 9 Physics Tests. Study Work and Energy Multiple Choice Questions and Answers (MCQs), Efficiency quiz answers PDF for high school certification courses. The Efficiency MCQ App Download: Free learning app for forms of energy, interconversion of energy, potential energy, physics practice questions test prep for online classes.

The MCQ: The efficiency of the cyclist when he does 12 J of useful work from every 100 J of food energy he takes is; "Efficiency" App Download (Free) with answers: 0.13; 0.14; 0.12; 0.15; for high school certification courses. Solve Work and Energy Quiz Questions, download Apple eBook (Free Sample) for taking online classes.

Efficiency MCQs: Questions and Answers PDF Download

MCQ 1:

the efficiency of a solar cell is

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

The efficiency of the 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
MCQ 3:

The ratio of required output to input is called

  1. efficiency
  2. deficiency
  3. loss of energy
  4. gain of energy

Class 9 Physics Practice Tests

Efficiency Learning App: Free Download (Android & iOS)

The App: Efficiency MCQs App to learn Efficiency Textbook, 9th Grade Physics MCQ App, and A Level Physics MCQ App. The "Efficiency MCQs" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Efficiency App (Android & iOS)

Efficiency App (Android & iOS)

9th Grade Physics App (Android & iOS)

9th Grade Physics App (iOS & Android)

A Level Physics App (Android & iOS)

A Level Physics App (Android & iOS)

SAT Physics App (Android & iOS)

SAT Physics App (iOS & Android)