Paragraph: Two trains A and B are moving with speeds 20 m/s and 30 m/s, respect…
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Paragraph: Two trains A and B are moving with speeds 20 m/s and 30 m/s, respect…
Paragraph: Two trains A and B are moving with speeds 20 m/s and 30 m/s, respect…
In the experiment to determine the speed of sound using a resonance column: Prongs of the tuning fork are kept i…
A vibrating string of certain length l under a tension T resonates with a mode corresponding to the first overtone (third harmoni…
A transverse sinusoidal wave moves along a string in the positive x-direction at a speed of 10 cm/s. The wav…
A student performed the experiment to measure the speed of sound in air using resonance air-column method. Two resonances in the air-colu…
A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating …
Paragraph: A dense collection of equal number of electrons and positive ions is called neutral plasma. Certain solids containing fixed po…
A police car with a siren of frequency 8kHz is moving with uniform velocity 36 km/h towards a tall…
Column I showns four systems, each of the same length L, for producing standing waves. The lowest possible natural frequency of a sys…
A person blows into open-end of a long pipe. As a result, a high pressure pulse of air travels down the pipe.
When this pulse reaches …
A student is performing the experiment of resonance column. The diameter of the column tube is 4 cm. The frequency of the t…
A horizontal stretched string, fixed at two ends, is vibrating in its fifth harmonic according to the equation, y x , t = 0…
Two vehicles, each moving with speed u on the same horizontal straight road, are approaching each other. Wind blows along the road with …
One end of a taut string of length 3m along the x axis is fixed at x = 0. The speed of the waves in the string is 100 m s - 1 . The ot…
A student is performing an experiment using a resonance column and a tuning fork of frequency 244 s - 1 . He is told that the air in th…
A block M hangs vertically at the bottom end of a uniform rope of constant mass per unit length. The top end of the rope is attached to …