The repeated reflection that results in persistence of sound is called:

The sound waves of frequency greater than 20 kHz are known as?

Calculate the time period if the frequency of the sound wave is 2Hz?

In which of the following medium, the speed of the sound is highest?

Sound waves are classified as which type of waves?

What happens when sound waves propogate from one medium to another?

Which among the following can hear ultrasonic waves?

Keeping the size of the molecules same, if sound travels in a denser medium, it's velocity ________

Identify the type of wave in which the movement of the particles is parallel to the motion of the energy.

The rolling of thunder occurs due to?

The sound waves having frequencies less than ________ Hz are called infrasonic waves.

Speeds greater than the speed of sound of air is known as ______.

Which of the following statement is true?

The velocity of sound is:

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is:

Which of the following is not a characteristic of Sound?

Sound waves travel fastest in

Which of the following is not a characteristic of a sound wave?

Identify the type of wave in which the movement of the particles is parallel to the motion of the energy.

Sound is a:

Sound Cannot travel through:

Which of the following waves are classified as transverse?

Sound travels at a speed of 333 ms^-1 in the air, thus, in 1 s, a distance of 333 m is travelled by:

The loudness of the sound depends upon which of the following factors?

Which one of the following plays an important role in the fine recording of audio signals on magnetic tape recorder?

The speed of sound wave is zero in ________.

Which of the following is NOT a characteristic of the 'wave'?

Ultrasonic sounds are the sounds which have frequencies _______.

Among the following, in which material the speed of sound is highest? (at 25°C) [CHSL Exam 2022 Tier I]

________ is a wave that is an oscillation of matter and is responsible for the transfer of energy through a medium. 

Which of the following is NOT a medium for a mechanical wave, that is sound, to travel?
[Constable GD 2021]

Which of the following material has the fastest speed of Sound?

The speed of sound depends on the type and properties of the medium through which it travels, including ________.

Which among the following can hear ultrasonic waves?

A boy fires a gun and hears the echo 3 seconds later. If he is 360 m away from a wall, calculate the velocity of sound in the air.

The time period of a vibrating body is 0.05 s. The frequency of waves it emits will be:

How do bats navigate and locate its food in dark?

[RRB NTPC CBT]

For communication, elephants can make noise as loud as 103 decibels but they often use low frequency sound, some of which is passed through the ground. These sounds are called:

[RRB NTPC CBT]

The sound waves having frequencies less than ___________ Hz are called infrasonic waves.

[SSC GD 2022]

The persistence of sound in an auditorium is the result of repeated reflections of sound and is called _____.

[RRB NTPC CBT]

Which of the following is used to detect cracks and flaws in metal blocks?

[RRB NTPC CBT]

A boat at anchor is rocked by waves whose consecutive crests are 100 m apart. The wave velocity of the moving crests is 25 ms-1. What is the frequency of rocking of the boat?

[RRB NTPC CBT]

The way the brain interprets the frequency of an emitted sound is called the ________.

[RRB NTPC CBT]

The audible range of sound for human beings extends from about:

[NTPC CBT 2]

In which type of waves do the vibrations move parallel to the direction of travelling of wave?

[RRB NTPC CBT]

How long will a sound wave take to travel 1.5 km, which has a frequency of 5 kHz and wavelength of 6 cm?

[SSC CGL 2024]

What is the speed of sound in air?

[RRB NTPC CBT]

The device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects is called:

[RRB NTPC CBT]

The repeated reflection that results in the persistence of sound is called:

[RRB NTPC CBT]

Among the following, in which material the speed of sound is highest ? (at 25°C)

[RRB NTPC CBT]

Which wave oscillates parallel to the motion of the sound wave ?

[SSC CPO 2024]