Oscillation and Waves UPSC Questions

Oscillation and Waves MCQ Questions

1.
The motion that repeats itself is called as
A.
Periodic motion
B.
Aperiodic or irregular motion
C.
Circular motion
D.
Rotational motion
ANSWER :
A. Periodic motion
2.
The smallest interval of time after which the motion is repeated is called as
A.
Frequency
B.
Period
C.
Oscillations
D.
None of the above
ANSWER :
B. Period
3.
The SI unit of period is
A.
Minute
B.
Meter
C.
Second
D.
Ampere
ANSWER :
C. Second
4.

One Hertz is equal to

A.

1 s-1

B.

1 m-1

C.

1 cm-1

D.

None of the above

ANSWER :

A. 1 s-1

5.

Match the following

List I List II
a) Amplitude 1.) Maximum displacement on either side
b) Frequency 2.) 1/time period
c) Wave form 3.) Presence of other frequencies
d) Loudness 4.) Amplitude
A.

a-1,b-2,c-3,d-4

B.

a-3,b-4,c-2,d-1

C.

a-4,b-3,c-2,d-1

D.

a-2,b-3,c-4,d-1

ANSWER :

A. a-1,b-2,c-3,d-4

6.
The number of oscillations per unit time is known as
A.
Frequency
B.
Amplitude
C.
Wavelength
D.
Time period
ANSWER :
A. Frequency