Class 9 Online Courses

Class 9 physics Practice Tests

Class 9 Physics Online Tests

Efficiency Multiple Choice Questions (MCQ) PDF Download

Free Efficiency Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Efficiency MCQ PDF Book) to learn online 9th grade physics certificate courses. Solve Work and Energy Multiple Choice Questions and Answers (MCQs), Efficiency quiz answers PDF for online certificate programs. Free learning App: Efficiency MCQ App Download & e-Book for forms of energy, interconversion of energy, potential energy, physics practice questions test prep for free online classes.

The MCQ: The efficiency of a solar cell is; "Efficiency" App Download (Free) with answers 0.8, 0.35, 0.55 and 0.03 for online certificate programs. Solve work and energy quiz questions, download Google eBook (Free Sample) for online school courses.

Efficiency MCQs: Questions and Answers PDF Download

MCQ 1: the efficiency of a solar cell is

A) 0.8
B) 0.35
C) 0.55
D) 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

A) 0.13
B) 0.14
C) 0.12
D) 0.15

MCQ 3: The ratio of required output to input is called

A) efficiency
B) deficiency
C) loss of energy
D) gain of energy

Class 9 Physics Practice Tests

Efficiency Learning App & Free Study Apps

Download Efficiency MCQs App to learn Efficiency MCQs, 9th Grade Physics Learning App, and SAT Physics MCQ Apps. Free "Efficiency MCQs" App to download Android & iOS 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 (Android & iOS)

SAT Physics App (Android & iOS)

SAT Physics App (Android & iOS)

10th Grade Physics App (Android & iOS)

10th Grade Physics App (Android & iOS)