A man sets his watch by the sound of a siren placed at a distance 1 km away. If the velocity of sound is 330 m/s

(1) His watch is set 3 sec. faster

(2) His watch is set 3 sec. slower

(3) His watch is set correctly

(4) None of the above

Concept Questions :-

Speed of sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Velocity of sound in air is

(1) Faster in dry air than in moist air

(2) Directly proportional to pressure

(3) Directly proportional to temperature

(4) Independent of pressure of air

Concept Questions :-

Speed of sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The frequency of a sound wave is n and its velocity is v. If the frequency is increased to 4n, the velocity of the wave will be

(1) v

(2) 2v

(3) 4v

(4) v/4

Concept Questions :-

Speed of sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 minute, the wavelength is :

(1) 2 metres

(2) 4 metres

(3) 8 metres

(4) 16 metres

Concept Questions :-

Speed of sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Speed of sound at constant temperature depends on :

(1) Pressure

(2) Density of gas

(3) Above both

(4) None of the above

Concept Questions :-

Speed of sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Sound velocity is maximum in :

(1) H2

(2) N2

(3) He

(4) O2

Concept Questions :-

Wave motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The minimum distance of reflector surface from the source for listening the echo of sound is :

(1) 28 m

(2) 18 m

(3) 19 m

(4) 16.5 m

Concept Questions :-

pressure wave in sound
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The type of waves that can be propagated through solid is :

(1) Transverse

(2) Longitudinal

(3) Both (1) and (2)

(4) None of these

Concept Questions :-

Types of waves
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Velocity of sound in air

I. Increases with temperature

II. Decreases with temperature

III. Increase with pressure

IV. Is independent of pressure

V. Is independent of temperature

Choose the correct answer. [Kerala (Engg.) 2001]

(1) Only I and II are true

(2) Only I and III are true

(3) Only II and III are true

(4) Only I and IV are true

Concept Questions :-

Wave motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

If at same temperature and pressure, the densities for two diatomic gases are respectively d1 and d2, then the ratio of velocities of sound in these gases will be :

(1) $\sqrt{\frac{{d}_{2}}{{d}_{1}}}$

(2) $\sqrt{\frac{{d}_{1}}{{d}_{2}}}$

(3) d1d2

(4) $\sqrt{{d}_{1}{d}_{2}}$

Concept Questions :-

Wave motion