Physics 2023 JAMB Past Questions

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Which of the following types of electromagnetic waves is used in night vision goggles?

A. Microwaves
B. Ultraviolet waves
C. Infrared waves
D. Radio waves

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Which of the following is a type of wave that is both mechanical and longitudinal?

A. Water waves
B. Seismic waves
C. Sound waves
D. Light waves

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In an AC circuit, resonance occurs when the impedance of the circuit is:

A. Zero
B. Maximum
C. Equal to the capacitive reactance of the circuit
D. Minimum

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The pitch of a musical note is determined by the frequency of the sound wave that it produces. If two instruments have the same frequency, which of the following factors will most affect the difference in their pitches?

A. The shape of the instrument
B. The tension of the string
C. The size of the instrument
D. The material of the instrument

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A metal sphere is placed on an insulating stand. A negatively charged rod is brought close to it. If the sphere is earthed and the rod is taken away, what will be the charge on the sphere?

A. The sphere will remain neutral.
B. The sphere will have a net negative charge.
C. The sphere will have a net positive charge.
D. The sphere will become polarized

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Physics 2023 JAMB Past Questions

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