Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
Two closed pipes produce 10 beats per second when emitting their fundamental nodes. If their lengths are in the ratio…
7 years ago
Waves
A vibrating string of certain length l under a tension T resonates with a mode
A vibrating string of certain length l under a tension T resonates with a mode corresponding to the first overtone…
7 years ago
A string is stretched between fixed points seperated by 75 cm. It is observed
A string is stretched between fixed points seperated by 75 cm. It is observed to have resonant frequencies of 420…
7 years ago
A sound absorber attenuates the sound level by 20 dB. The intensity decreases
A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of Options (a) 100…
7 years ago
If wavelength of a wave is λ=6000 Å, then wave number will be
If wavelength of a wave is λ=6000 Å, then wave number will be Options (a) 166x10³ m⁻¹ (b) 16.6x10⁻¹ m⁻¹…
7 years ago
A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall. The driver sounds a horn of…
7 years ago
An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz. Speed of…
7 years ago
When sound is produced in an aeroplane with a velocity of 200 m/s horizontally,
When sound is produced in an aeroplane with a velocity of 200 m/s horizontally, its echo is heard after 10√5…
7 years ago
In the experiment for determination of velocity of sound in air,
In the experiment for determination of velocity of sound in air, using the resonance column method, the length of the…
7 years ago
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support. A block of…
7 years ago