Class 9 Physics Study App | Efficiency Quiz e-Book PDF

Class 9 Physics MCQs (Grade 9) From Textbook

Class 9 Physics MCQs – Certification Test 316

Efficiency Quiz (Question 316) – App & e-Book Download

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MCQ 316: 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

Class 9 Physics Quiz App & e-Book – Efficiency Certification Guide

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