WAEC Physics Past Questions & Answers - Page 121

601.

The angle of incidence of a ray of light on a plane mirror is 55o. Determine the angle between the reflected ray and the mirror

A.

35o

B.

45o

C.

55o

D.

110o

Correct answer is A

No explanation has been provided for this answer.

602.

Light travelling through a small pinhole usually does not make a shadow with a distinct sharp edge because of

A.

diffraction

B.

interference

C.

reflection

D.

refraction

Correct answer is A

No explanation has been provided for this answer.

603.

Which of the following waves is not transverse

A.

light waves

B.

sound waves

C.

sea waves

D.

radio waves

Correct answer is B

No explanation has been provided for this answer.

604.

A boat is rocked by waves of speed 30ms-1 whose successive crest are 10m apart. Calculate the rate at which the boat recieves the waves

A.

30s-1

B.

10s-1

C.

3s-1

D.

1s-1

Correct answer is C

F = \(\frac{v}{\lambda} = \frac{30}{10} = 3s^{-1}\)

605.

The maximum displacement of a vibrating tunning fork is its

A.

amplitude

B.

frequency

C.

period

D.

wavelength

Correct answer is A

No explanation has been provided for this answer.