Chapter 17 – Sound Waves
A man is standing on a railway platform listening to the whistle of an engine that passes the man at constant speed without stopping. If the engine passes the man at time t0 How does the frequency f of the whistle as heard by the man changes with time.
31
Oct
A man is standing on a railway platform listening to the whistle of an engine that passes the man at constant speed without stopping. If the engine passes the man at time t0 How does the frequency f of the whistle as heard by the man changes with time. An engine is moving on a [...]
A train has just completed a U-curve in a track which is a semicircle. The engine is at the forward end of the semi-circular part of the track while the last carriage is at the rear end of the semi-circular track. The driver blows a whistle of frequency 200 Hz. Velocity of sound is 340 m/sec. Then the apparent frequency as observed by a passenger in the middle of a train when the speed of the train is 30 m/sec is
31
Oct
A train has just completed a U-curve in a track which is a semicircle. The engine is at the forward end of the semi-circular part of the track while the last carriage is at the rear end of the semi-circular track. The driver blows a whistle of frequency 200 Hz. Velocity of sound is 340 [...]
An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency 500Hz. The frequency received by an observer standing stationary at the centre of the track is
31
Oct
An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency 500Hz. The frequency received by an observer standing stationary at the centre of the track is An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency 500Hz. [...]
In previous question, what would be the apparent wavelengths in front of and behind the locomotive if a wind of speed 10m/s were blowing in the same direction as that in which the locomotive is travelling?
31
Oct
In previous question, what would be the apparent wavelengths in front of and behind the locomotive if a wind of speed 10m/s were blowing in the same direction as that in which the locomotive is travelling? In previous question what would be the apparent wavelengths in front of and behind the locomotive if a wind [...]
In a Kundt’s tube stationary tube frequency 1000 Hz are produced. The total distance between 6 successive nodes is 82.5cm. The speed of sound in the gas filled in the tube is
31
Oct
In a Kundt’s tube stationary tube frequency 1000 Hz are produced. The total distance between 6 successive nodes is 82.5cm. The speed of sound in the gas filled in the tube is In a Kundt's tube stationary tube frequency 1000 Hz are produced. The total distance between 6 successive nodes is 82.5cm. The speed of [...]
A tuning fork of frequency 340 Hz is vibrated just above a cylindrical tube of length 120 cm. Water is slowly poured in the tube. If the speed of sound in air is 340 m/s, then the minimum height of water required for resonance is
31
Oct
A tuning fork of frequency 340 Hz is vibrated just above a cylindrical tube of length 120 cm. Water is slowly poured in the tube. If the speed of sound in air is 340 m/s, then the minimum height of water required for resonance is A tuning fork of frequency 340 Hz is vibrated just [...]
A glass tube 1.0 m length is filled with water. The water can be drained out slowly at the bottom of the tube. If a vibrating tuning fork of frequency 500 c/s, is brought at the upper end of the tube, and the velocity of sound is 330 m/s, then the total number of resonances obtained will be
31
Oct
A glass tube 1.0 m length is filled with water. The water can be drained out slowly at the bottom of the tube. If a vibrating tuning fork of frequency 500 c/s, is brought at the upper end of the tube, and the velocity of sound is 330 m/s, then the total number of resonances [...]
A long glass tube is held vertically in water . A tuning fork is struck and held over the tube . Strong resonances are observed at two successive lengths 0.50m and 0.84m above the surface of water . If the velocity of sound is 340m/s, then the frequency of the tuning fork is
31
Oct
A long glass tube is held vertically in water . A tuning fork is struck and held over the tube . Strong resonances are observed at two successive lengths 0.50m and 0.84m above the surface of water . If the velocity of sound is 340m/s, then the frequency of the tuning fork is An air [...]
An air column closed at one end and opened at the other end , resonates with a tuning fork of frequency f when its length is 45cm and 99cm and at two other lengths in between these values. The wavelength of sound in air column is
31
Oct
An air column closed at one end and opened at the other end , resonates with a tuning fork of frequency f when its length is 45cm and 99cm and at two other lengths in between these values. The wavelength of sound in air column is An air column closed at one end and opened [...]
In the previous problem, end correction is
31
Oct
In the previous problem, end correction is end correction is In the previous problem October 31, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 ,