WAEC Physics Past Questions & Answers - Page 130

646.

When viewed straight down, a fish in a pond is

A.

father below than it appears to be

B.

mearer than it appears to be

C.

found at exactly the same point it is seen

D.

seen beside its image

Correct answer is B

No explanation has been provided for this answer.

647.

The image of an object formed by a convex mirror is

A.

real, errect and enlarged

B.

real, inverted and enlarged

C.

virtual, erect and diminished

D.

virtual, erect and enlarge

Correct answer is C

No explanation has been provided for this answer.

648.

The distance between a concave mirror and an object placed in front of it is 1.0m. If the raduis of curvature of the mirror is 4.0m, the image formed will be

A.

2.00m behind the mirror

B.

2.00m in front of the mirror

C.

1.25m in front of the mirror

D.

1.25m behind the mirror

Correct answer is A

\(\frac{1}{v} = \frac{1}{f} - \frac{1}{u}\)

\(\frac{1}{2} - \frac{1}{1} = \frac{1 - 2}{2} = -2\)

649.

In the day time, it is possible to see under shady areas such as under a tree because light has undergone

A.

internal reflection

B.

refraction

C.

diffraction

D.

diffuse reflection

Correct answer is D

No explanation has been provided for this answer.

650.

Light is considered as a transverse wave because it travels

A.

through material without causing disturbance of the medium

B.

through space with constant speed

C.

in a direction parallel to the plane containing the electric and magnetic fields

D.

in a direction perpendicular to the plane containing the electric and magnetic fields

Correct answer is D

No explanation has been provided for this answer.