You'll get the answers on second slide.

1. General Knowledge [Questions & Answers] |Part 107|
Multiple choice quiz questions and answers
1 A human ear can oscillate back and fourth up to _______.
2 Sound waves are mechanical in nature because _______.
3 Time period of simple pendulum is independent of it's _______.
4 Characteristic of sound by which we distinguish between two sounds of same loudness
and pitch is _______.
5 Energy can be transferred from one place to another through _______.
6 Wavelength of ultrasonic waves is _______.
7 Reflection of sound is called _______.
8 A human ear can hear sounds in range _______.
9 Time taken by a body to complete on vibration is _______.
10 Echoes maybe heard more than once due to _______.
11 Characteristic of sound by which we distinguish between shrill and grave sound is
_______.
12 Waves which require medium for propagation are _______.
13 Main sources of noise pollution are _______.
14 Characteristic of sound by which loud and faint sounds can be distinguished is _______.
15 Waves which doesn't require any medium for their propagation are _______.