NECO Physics Past Questions & Answers - Page 15

71.

The motion of the wheel of a bicycle moving on a smooth straight road is

A.

oscillatory and random

B.

oscillatory and translational

C.

rotational and oscillatory

D.

rotational and random

E.

rotational and translational

Correct answer is E

No explanation has been provided for this answer.

72.

Which of the following is NOT a component of a slide projector?

A.

Concave mirror

B.

Condenser

C.

Convex mirror

D.

light source

E.

Screen

Correct answer is A

You will find convex lenses in telescopes, microscopes, magnifying glasses, cameras, slide and movie projectors, and other instruments that use light to create an image

73.
74.

Three non-parallel coplanar forces which can be represented both in magnitude and direction by the three sides of a triangle taken in order will

A.

have any one force being the equilibrant of the other two

B.

make a body move randomly

C.

make a body oscillate

D.

move a body along a straight line

E.

rotate a body about its axis

Correct answer is A

No explanation has been provided for this answer.

75.

Radio receivers are tuned using

A.

electromagnets

B.

electric motors

C.

Inductors

D.

variable capacitors

E.

variable resistors

Correct answer is D

No explanation has been provided for this answer.