O Level Physics MCQ - Complete Course
Efficiency: O Level Physics MCQ App & e-Book Download - 423
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MCQ: 423
Efficiency of a machine is measured by
- (Wasted Energy Output ⁄ Energy Input) × 100 %
- (Energy Input ⁄ Wasted Energy Output) × 100 %
- (Useful Energy Output ⁄ Energy Input) × 100 %
- (Energy Input ⁄ Useful Energy Output) × 100 %
c
O Level Physics App & e-Book Tests PDF Download
Melting and Solidification Test 434
Electromagnetic Waves Test 435
Meter Rule and Measuring Tape Test 436
Stability Test 437
Acceleration Free Fall Test 438
Scalar and Vector Test 439
Moments Test 440
Thermal Properties Test 441
Refraction in Physics Test 442
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O Level Physics MCQs eBook Download
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