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Physics Past Questions and Answers

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Physics Questions

Question 4021:

The S.I unit for sound energy is

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A Hz
B Cd
C DB
D J

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Question 4022:

The S.I unit for sound energy is

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A Hz
B Cd
C DB
D J

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Question 4023:

The general definition of elastic modulus is

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A \(\frac{stress}{strain}\)
B \(\frac{strain}{stress}\)
C \(stress \times strain\)
D \(\sqrt{\frac{stress}{strain}}\)

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Question 4024:

The diagram above illustrates a simple barometer. Which distance measures the atmospheric pressure?

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A PQ
B QR
C RS
D QS

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Question 4025:

The property of a body to remain at rest or to continue in uniform motion in a straight line is called

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A Momentum
B Inertia
C Impulse
D Energy

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