Question

Q.3. Choose the correct answer.
(a) Eardrum is found inside
i.
middle ear.
ii. outer ear.
iii. inner ear
iv. all three parts of the ear.
(b) Lambda (a) represents
i. wavelength.
ii. pressure.
iii. frequency
iv. time period.
(c) The velocity of sound in a gaseous medium depends on
i. temperature.
ii. density of the gas.
iii. its molecular weight.
iv. temperature, density of gas and its molecular weight.​

Answer 1

Answer:

a. i.middle ear b. i.wavelength c.iv. temperature, density of gas and its molecular weight

Answer 2

a)

(i) middle ear

b)

(i) wavelength

c)

(iv) temperature, density of gas and its molecular weight

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