Question

Choose the most appropriate answer
Q.1 In which medium does sound travel fastest?
a) Air (b) Water
c) Steel (d) Vacuum
Q.2 The audible range of frequency is?
a) 200-2000 Hz (b) 200-20,000 Hz
c) 20-20,000 Hz (d) 20-2000 Hz
Q.3. Voice of which of the following is likely to have least frequency?
a) Baby girl
b) Baby boy
c) A Man
d) A Woman
Q.4. Which of the following characteristics of sound depends on the
amplitude of vibrations?
a) Speed.
b) Pitch.
c) Loudness.
d) Quality.
Q.5. Which of the following characteristics of sound depends on the
frequency of vibrations?
a) Speed
b) Pitch
c) Loudness.
d) Quality.
Q.6. Sound of frequency 320 Hz is of lower pitch than sound of frequency:
a) 10 Hz (b) 180 Hz
c) 250 Hz (d) 512 Hz
Q.7. Voice in humans is produced by the organ:
a) Pharynx (b) Windpipe
c) Ear Drums (d) Larynx

Q.8. To and fro motion of an object is called
a) Waves (b) Amplitude
c) Vibrations (d) All of the above

Answer 1

Answer:

1. a) Air
2. (d) 20-2000 Hz
3. c) A boy , because girls have shriller voice
4. d) Quality.
5. c) Loudness.
6. (d) 512 Hz
7. (d) Larynx
8. c) Vibrations (