Cambridge O Level Courses

O Level Physics Exam Prep

O Level Physics Practice Test 54

# Convection MCQ Questions PDF - 54

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## Physics: Convection MCQ Quiz

MCQ: Convectional current only occurs in

A) solids
B) liquids
C) gases
D) liquids and gases both

MCQ: Gases are

A) very compressible
B) very little compressible
C) incompressible
D) B and C both

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

A) Right
B) Wrong
C) May be right or may be wrong
D) Neither right nor wrong

MCQ: 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.

A) chemical energy → gravitational potential energy → kinetic energy → (sound energy + heat energy)
B) chemical energy → kinetic energy → gravitational potential energy → (sound energy + heat energy)
C) chemical energy → (sound energy + heat energy) → kinetic energy → gravitational potential energy
D) (sound energy + heat energy) → chemical energy → kinetic energy → gravitational potential energy

MCQ: We can say that one watt is defined as

A) rate of work done or energy conversion of one joule per second
B) rate of time of one second per joule
C) rate of distance of one meter per joule
D) rate of work done or energy conversion of one joule per meter

### Mock Tests: O Level Physics Course Prep

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