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IGCSE O Level Physics Practice Test 54

# Convection MCQs (Multiple Choice Questions) PDF Download - 54

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The Convection Multiple Choice Questions (MCQ) with Answers PDF (Convection MCQs PDF e-Book) download Ch. 20-54 to solve IGCSE O Level Physics Practice Tests. Study Thermal Energy in Physics quiz answers PDF, Convection Multiple Choice Questions (MCQ Quiz) to learn online schools courses. The Convection MCQs App Download: Free educational app for convection, states of matter, reflection in physics, energy and units, power in physics test prep for online college bachelor degree.

The MCQ Quiz: Convectional current only occurs in; "Convection" App (Android & iOS) with answers: Liquids; Solids; Gases; Liquids and gases both; to learn online schools courses. Practice Thermal Energy in Physics Questions and Answers, Google eBook to download free sample for colleges that offer certificate programs.

## Convection MCQ with Answers : Quiz 54

MCQ 266:

Convectional current only occurs in

1. solids
2. liquids
3. gases
4. liquids and gases both
MCQ 267:

Gases are

1. very compressible
2. very little compressible
3. incompressible
4. B and C both
MCQ 268:

Virtual image is of same size as the object' is a true statement of plane mirror image.

1. Right
2. Wrong
3. May be right or may be wrong
4. Neither right nor wrong
MCQ 269:

Knocking a nail into a wooden block with a hammer involves conversion between different forms of energy, which of the following choices present this conversion in correct order.

1. chemical energy → gravitational potential energy → kinetic energy → (sound energy + heat energy)
2. chemical energy → kinetic energy → gravitational potential energy → (sound energy + heat energy)
3. chemical energy → (sound energy + heat energy) → kinetic energy → gravitational potential energy
4. (sound energy + heat energy) → chemical energy → kinetic energy → gravitational potential energy
MCQ 270:

We can say that one watt is defined as

1. rate of work done or energy conversion of one joule per second
2. rate of time of one second per joule
3. rate of distance of one meter per joule
4. rate of work done or energy conversion of one joule per meter

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