Question

Define the following terms. Also, write their SI units
(a) amplitude
(b) time period in
(c) frequency
5.
Name the characteristic of a vibrating body which determines the
(a) loudness
(b) pitch of the sound
produced by it.
6.
The frequencies, of the male and female voices in human beings, are nearly
1 kHz and 1.5 kHz. Which of the two voices --
(a) is likely to be flatter?
(b) has a higher pitch?
7.
When is a given sound regarded as a 'musical sound' or 'music'?​

Answer 1

Answer:

●Equator

●The North Pole

●The South Pole

●The Tropic of Cancer

●The Tropic of Capricorn

●The Arctic Circle

●The Antarctic Circle