Question

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​

Answer 1

Answer:

1.b

2.b

3.b

4.b...........

Answer 2

Answer:

6. b. second

7. b. 2000 Hz

8. b. greater frequency

9. a. violin

10. b. harmonica