Class 9 Courses

Class 9 Physics App's Tests

Class 9 Physics e-Book's MCQs - Complete

Efficiency Quiz App Free Download & e-Book - 484

MCQ:

The ratio of required output to input is called

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

Class 9 Physics App & e-Book Tests PDF Download

Efficiency Study App: Free Download iOS & Android

The App: Efficiency Quiz App to study Efficiency Textbook, 9th Grade Physics Quiz App, and 10th Grade Physics Quiz App. The "Efficiency Quiz" App download with free 9th Grade Physics Apps (Android & iOS) 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)

10th Grade Physics App (Android & iOS)

10th Grade Physics App (Android & iOS)

SAT Physics App (Android & iOS)

SAT Physics App (iOS & Android)