Question

VIII
SUR Solence
Time: 1 h
Mark
0.1
0.11
(o
Choose the correct alternatives
Vibrating object produce
(A) current (1) electricity (C) light (D) sound
i Human being can hear sounds between
(A) 12 Ha to 24.000H
(B) 20 H to 20.000 H
(C) 10 He to 22.000 H
(D) 15 Ha to 30.000 H
ili The speed of sound in air is
(A) 280 m/s (0) 440 m/s (C) 240 m/s (D340 m/s
Name the following
The unit used to measured lodness
Human organ which produce sound
till Name of an animal that has the ability to fine sense of locating echoes
Answer the following questions in two sentences.
Explain amplitude of sound with diagram
# How is sound produce in human
it Differentiate between audible and inaudible sounda
iv How does sound travel
Name two percussion instruments. How is sound produced in such instruments
Answer the following questions in detail
Write a short notes on:
Noise and musical sounds
b. II-effects of noise
How does the ear help us hear sounds
il Explain with an example echo-location by animals
Q.1
110
Q.IV
(09)​

Answer 1

Answer:

1. sound

2.2 0 to 20000

3.360

Name the following

1.

2 vocal folds

3.bats