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Physics Past Questions and Answers

Jamb Physics Questions

Question 31:

From the diagram above, calculate the energy stored in the capacitor

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A 4.0 x 10\(^{-2}\)J
B 4.0 x 10\(^{-4}\)J
C 8.0 x 10\(^{-4}\)J
D 8.0 x 10\(^{-2}\)J

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Question 32:

A constant force of 5N acts for a 5 seconds on a mass of 5kg initially at rest. Calculate the final momentum

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A 125kgmsâˆ’1
B 25kgms−1
C 15kgmsâˆ’1
D 0kgmsâˆ’1

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Question 33:

I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves?

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A II and III only
B I, II and III
C I and II only
D I and III only

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Question 34:

I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves?

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A II and III only
B I, II and III
C I and II only
D I and III only

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Question 35:

Which of the following is correct about an electric cell?

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A Primary cell produces a large current for a long time
B Secondary cell has a very high internal resistance
C Primary cell has a very low internal resistance
D Secondary cell has a very low internal resistance

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