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Jamb Physics Past question

In a compound microscope

JAMB 1980 In a compound microscope A. there is only one lens B. the objective lens have a shorter focal length than the eyepiece which is convex C. the objective lens has a longer focal length than the eyepiece which is convex D. the objective lens has a shorter focal […]

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Jamb Physics Past question

Which of the following are true of atom?

JAMB 1980 Which of the following are true of atom? A. atoms are indestructible B. all atoms of a pure substance, or elements are identical C. atoms of different substance have different weights D. all of the above E. A and B only Correct Answer: Option D Explain your answer […]

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Jamb Physics Past question

Natural radioactivity consists of the emission of

JAMB 1980 Natural radioactivity consists of the emission of A. α -particle and β rays B. α -particle and X-rays C. γ-rays and X-rays D. α-particle, β rays and γ-rays E. α -particle, β rays, γ-rays and X-rays Correct Answer: Option D Explain your answer in the comment box below […]

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Jamb Physics Past question

The frictional force between two bodies

Jamb 1978 The frictional force between two bodies  A. exists only when there is relative motion or tendency for motion B. acts so as to oppose the motion C. depends on the normal reaction between the two surfaces D. is relatively independent of the area in contact E. has all […]