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
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The velocity of sound measured in hydrogen and oxygen gas at a given temperature will be in the ratio :

(1) 1 : 4

(2) 4 : 1

(3) 2 : 1

(4) 1 : 1

Concept Questions :-

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

Difficulty Level:

If vm is the velocity of sound in moist air, vd is the velocity of sound in dry air, under identical conditions of pressure and temperature

(1) vm > vd

(2) vm < vd

(3) vm = vd

(4) vmvd = 1

Concept Questions :-

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

Difficulty Level:

A source of the sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500 m/s and in the air is 300 m/s. The frequency of sound recorded by an observer who is standing in the air is :

(1) 200 Hz

(2) 3000 Hz

(3) 120 Hz

(4) 600 Hz

Concept Questions :-

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

Difficulty Level:

An underwater sonar source operating at a frequency of 60 kHz directs its beam towards the surface. If the velocity of sound in air is 330 m/s, the wavelength and frequency of waves in air are:

(1) 5.5 mm, 60 kHz

(2) 330 m, 60 kHz

(3) 5.5 mm, 20 kHz

(4) 5.5 mm, 80 kHz

Concept Questions :-

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

Difficulty Level:

It is possible to distinguish between the transverse and longitudinal waves by studying the property of :

(1) Interference

(2) Diffraction

(3) Reflection

(4) Polarisation

Concept Questions :-

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

Difficulty Level:

Water waves are

(1) Longitudinal

(2) Transverse

(3) Both longitudinal and transverse

(4) Neither longitudinal nor transverse

Concept Questions :-

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

Difficulty Level:

The waves in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion is known as

(1) Transverse wave

(2) Longitudinal waves

(3) Propagated waves

(4) None of these

Concept Questions :-

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

Difficulty Level:

What is the phase difference between two successive crests in the wave?

(1) π

(2) π/2

(3) 2π

(4) 4π

Concept Questions :-

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

Difficulty Level:

A wave of the frequency of 500 Hz has a velocity of 360 m/sec. The distance between two nearest points 60° out of phase, is :

(1) 0.6 cm

(2) 12 cm

(3) 60 cm

(4) 120 cm

Concept Questions :-

Types of waves