JAMB Physics Past Questions & Answers - Page 32

156.

A loaded spring is set in simple harmonic motion. The force that tends to restore the load to its equilibrium position is

A.

adhesive

B.

elastic

C.

frictional

D.

gravitational

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.

157.

Which of the following waves is not mechanical?

A.

Waves in pipes

B.

Water waves

C.

Radio waves

D.

Sound waves

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

158.

A body of mass 2 kg is released from a point 100 m above the ground. Calculate its kinetic energy 80m from the point of release.

A.

1600 J

B.

900 J

C.

600 J

D.

200 J

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

159.

Which of the following instruments can be used to compare the magnitudes of charges on two given bodies?

A.

Electrophorus

B.

Ebonite rod

C.

Gold-leaf electroscope

D.

Proof planes

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

160.

The induced current in a coil always flows in a direction so as to oppose the change that causes it. This statement is known as

A.

Coulomb's law

B.

Lenz's law

C.

Faraday's law

D.

Ampere's law

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

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