If vibrations of a string are to be increased by a factor of two, then tension in the string must be made
A
Half
B
Twice
C
Four times
D
Eight times
AIIMS 1999, Easy
Download our app for free and get started
C
Four times
c (c) $n \propto \sqrt T $
Download our app
and get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
The speed of sound in oxygen $\left( O _{2}\right)$ at a certain temperature is $460 \;ms ^{-1}$. The speed of sound in helium $(He)$ at the same temperature will be (asume both gases to be ideal)
Two passenger trains moving with a speed of $108\, km/hour$ cross each other. One of them blows a whistle whose frequency is $750 Hz.$ If sound speed is $330 m/s,$ then passengers sitting in the other train, after trains cross each other will hear sound whose frequency will be .... $Hz$
Each of the properties of sound listed in column $A$ primarily depends on one of the quantities in column $B$. Choose the matching pairs from two columns
A source of sound gives five beats per second when sounded with another source of frequency $100\,{s^{ - 1}}$. The second harmonic of the source together with a source of frequency $205\,{s^{ - 1}}$ gives five beats per second. What is the frequency of the source .... ${s^{ - 1}}$
A rope of length $L$ and mass $M$ hangs freely from the ceiling. If the time taken by a transverse wave to travel from the bottom to the top of the rope is $T$, then time to cover first half length is
Two waves are represented by ${y_1} = a\sin \left( {\omega \,t + \frac{\pi }{6}} \right)$ and ${y_2} = a\cos \omega \,t$. What will be their resultant amplitude
$Assertion :$ A transverse waves are produced in a very long string fixed at one end. Only progressive wave is observed near the free end.
$Reason :$ Energy of reflected wave does not reach the free end.