MCQ
Sound waves travel fastest in
  • Solids
  • B
    Liquids
  • C
    Gases
  • D
    Vacuum

Answer

Correct option: A.
Solids
a
Sound waves travel fastest in solids

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

You lift a heavy book from the floor of the room and keep it in the book-shelf having a height $2 \,m$. In this process you take $5\, seconds$. The work done by you will depend upon
Choose the correct option:
At whose name did India launch the first statellie?
If the force constant of a wire is $K,$ the work done in increasing the length of the wire by $l$ is
The density of the atmosphere at sea level is $1.29 \;kg / m ^{3} .$ Assume that it does not change with altitude. Then how high (in $km$) would the atmosphere extend?
$Assertion :$ The pitch of wind instruments rises and that of string instruments falls as an orchestra warms up.
$Reason :$ When temperature rises, speed of sound increases but speed of wave in a string fixed at both ends decreases.
Spheres $P$ and $Q$ are uniformly constructed from the same material which is a good conductor of heat and the radius of $Q$ is thrice the radius of $P$. The rate of fall of temperature of $P$ is $x$ times that of $Q$ when both are at the same surface temperature. The value of $x$ is :
Two bodies of masses $2\,kg$ and $4\,kg$ are moving with velocities $2\,m/s$ and $10\,m/s$ respectively towards each other due to mutual gravitational attraction. ....... $m/s$ is the velocity of their centre of mass (Bodies are at rest initially)
A bimetallic strip is formed out of two identical strips, one of copper and other of brass. The coefficients of linear expansion of the two metals are ${\alpha _C}$ and ${\alpha _{B}}.$ On heating, the temperature of the strip goes up by $\Delta T$ and the strip bends to form an arc of radius of curvature $R.$ Then $R$ is
The driver of a car travelling with speed $30$ metres per second towards a hill sounds a horn of frequency $600 Hz$. If the velocity of sound in air is $330$ metres per second, the frequency of the reflected sound as heard by the driver is  .... $Hz$