O Level Courses

IGCSE O Level Physics Certification Exam Tests

IGCSE O Level Physics Practice Test 110

Efficiency: O Level Physics MCQs (Multiple Choice Questions) PDF Download - 110

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The Efficiency O Level Physics Multiple Choice Questions (MCQ) with Answers PDF (Efficiency O Level Physics MCQs PDF e-Book) download Ch. 2-110 to solve IGCSE O Level Physics Practice Tests. Study Energy, Work and Power quiz answers PDF, Efficiency O Level Physics Multiple Choice Questions (MCQ Quiz) to study online GCSE courses. The Efficiency: O Level Physics MCQs App Download: Free educational app for efficiency: o level physics, introduction to light, density: o level physics, measurement of time, pressure in liquids test prep for online college bachelor degree.

The MCQ Quiz: A machine uses total energy of 5000 J and within the process one-fourth of the energy is lost to the surroundings. The efficiency of the machine is; "Efficiency: O Level Physics" App (Android & iOS) with answers: 50%; 25%; 75%; 90%; to study online GCSE courses. Practice Energy, Work and Power Questions and Answers, Google eBook to download free sample for colleges that offer certificate programs.

Efficiency: O Level Physics MCQ with Answers : Quiz 110

MCQ 546:

A machine uses total energy of 5000 J and within the process one-fourth of the energy is lost to the surroundings. The efficiency of the machine is

1. 25%
2. 50%
3. 75%
4. 90%
MCQ 547:

Objects that don't produce their own light are called

1. Luminous objects
2. Non-luminous objects
3. Transparent objects
4. Opaque objects
MCQ 548:

Density of gold is 19300 kg m-3 and its volume is 0.48 m³, mass of gold would be

1. 9426 kg
2. 9642 kg
3. 9264 kg
4. 9246 kg
MCQ 549:

For most of the people, human reaction error is about

1. 0.03 s
2. 0.3 s
3. 3 s
4. 30 s
MCQ 550:

Hydraulics are

1. good example of pressure
3. good example of pressure in liquids
4. bad example of pressure in liquids