Question

g crowded
Comingo
Discuss.
b. ear
out a
y of
1. Objective type questions
A. Choose the correct option.
1. Sound cannot travel in
a. solids
b. liquids
c gases
d. vacuum
2. In humans, the vocal folds (vocal cords) are present in the
a. neck
c mouth
d. nose
3. Which of these can produce a sound that we can hear easily?
a. A simple pendulum
b. Ripples in a pond
C A drum
d. Air
4. Sound travels fastest in
a. air
b. water
c glass
d. diamond
5. A sitar is
a. a wind instrument
b. a stringed instrument
ca percussion instrument
d used for producing beats
6. Which of these is a unit of time period?
a. Hertz
b. Second
c Newton
d. Pascal
7. Sound of which of these frequencies would be audible for us?
a. 15 Hz
b. 2000 Hz
C 50,000 Hz d. 5 Hz
8. For the same pitch, a louder sound would have a
a. greater amplitude
b. greater frequency
c lower amplitude
d. lower frequency
9. Which of these is a percussion instrument?
a. Violin
b. Tabla
c. Veena
d. Flute
10. Which of these is a wind instrument?
a. Guitar
b. Harmonica c Dholak
d. Piano
led
in the
ce box​

Answer 1

Answer:

1. vacuum
2. nose
3. drum
4. air
5. a wind instrument
6. second
7. 20 to 20000 Hz