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Physics Past Questions and Answers

Jamb Physics Questions

Question 16:

A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him will be

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A Infinite
B Ten
C Eight
D Forty

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Question 17:

Semiconductor is a class of solid whose conductivity increases with an increase in

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A Pressure
B Temperature
C Current
D Voltage

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Question 18:

Which of the following statements is NOT correct?

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A Brownian motion is an evidence of the particle nature of matter
B Atoms combine to form molecules
C The molecules of matter are in constant motion
D Matter is made up of molecules

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Question 19:

A dynamo primarily converts

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A Mechanical energy into electrical energy
B Electrical energy into kinetic energy
C Potential energy into kinetic energy
D Kinetic energy into potential energy

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Question 20:

A saturated vapour pressure of a liquid increases when the

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A Temperature of a liquid increases
B Volume of the liquid increases
C Volume of the liquid decreases
D Temperature of the liquid decreases

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