A car sounding a horn of frequency 100 Hz passes an observer. The ratio
A car sounding a horn of frequency 100 Hz passes an observer. The ratio of frequencies of the horn noted…
7 years ago
Waves
What should be the velocity(v) of a sound source moving towards a stationary observer
What should be the velocity(v) of a sound source moving towards a stationary observer so that apparent frequency is double…
7 years ago
A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of…
7 years ago
Length of a string tied to two rigid supports is 40 cm. Maximum length
Length of a string tied to two rigid supports is 40 cm. Maximum length (wavelength in cm) of a stationary…
7 years ago
The tension in a piano wire is 10 N. What should be the tension in the wire to produce
The tension in a piano wire is 10 N. What should be the tension in the wire to produce a…
7 years ago
If the velocity of sound in air is 350 m/s, thent he fundamental frequency
If the velocity of sound in air is 350 m/s, then the fundamental frequency of an open organ pipe of…
7 years ago
When we hear a sound, we can identify its source from
When we hear a sound, we can identify its source from Options (a) Amplitude of sound (b) Intensity of sound…
7 years ago
Which of the following is not a transverse wave?
Which of the following is not a transverse wave? Options (a) X-rays (b) γ-rays (c) Visible light waves (d) Sound…
7 years ago
Two sources P and Q produce notes of frequency 660 Hz each.
Two sources P and Q produce notes of frequency 660 Hz each. A listener moves from P to Q with…
7 years ago
A wave travelling in the +ve x-direction having displacement along y-direction as 1m
A wave travelling in the +ve x-direction having displacement along y-direction as 1m, wavelength 2π and frequency 1 /π Hz…
7 years ago