The wave described by y = 0.25 sin (10 2πx – 2πt), where x and y are in meters
The wave described by y = 0.25 sin (10 2πx – 2πt), where x and y are in meters and t in second is a wave travelling along the:
Options
(a) negative x […]
Waves
A point source emits sound equally in all directions in a non-absorbing medium.
A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 m and 3 m respectively from the source. The ratio of the […]
If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone is
Options
(a) 100 Hz (b) 50 Hz (c) 250 Hz (d) 150 Hz
Correct Answer:
250 Hz
Explanation: […]
An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed that two successive nodes are formed at distances 16 cm and 46 cm from the open end. The speed of […]
Velocities of sound measured in hydrogen and oxygen gas at a given temperature
Velocities of sound measured in hydrogen and oxygen gas at a given temperature will be in the ratio
Options
(a) (1:4) (b) (4:1) (c) (2:1) (d) (1:1)
Correct Answer:
(4:1)
Explanation:
No explanation […]
Find the fundamental frequency of a closed pipe if the length of air column is 42m.
Find the fundamental frequency of a closed pipe if the length of air column is 42m. (Speed of sound in air=332 m/sec)
Options
(a) 2 Hz (b) 4 Hz (c) 7 Hz (d) […]
If the length of a stretched string is shortened by 4% and the tension is increased
If the length of a stretched string is shortened by 4% and the tension is increased by 44%, then the ratio of the final and initial fundamental frequencies is
Options
(a) (2:1) (b) […]
A sound source is moving towards a stationary listener with 1/10th of the speed
A sound source is moving towards a stationary listener with 1/10th of the speed of sound. The ratio of apparent to real frequency is
Options
(a) (10/9) (b) (10/9)² (c) (11/10)² (d) (11/10)
If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s, then the frequency for the second note is
Options
(a) 220 Hz (b) 165 Hz […]
The frequency of fundamental tone in an open organ pipe of length
The frequency of fundamental tone in an open organ pipe of length 0.48 m is to 320 Hz. Speed of sound is 320 m/s. Frequency of fundamental tone in closed organ pipe will be