Why can we not have a conversation on the surface of the Moon?
(N/A) Sound waves are mechanical waves that require a material medium for their propagation. Since the Moon has no atmosphere (it is a vacuum),there is no medium for sound waves to travel through. Therefore,we cannot hear each other or have a conversation on the surface of the Moon.
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Similar Questions
Consider the sound wave travelling in ideal gases of $He$,$CH_4$,and $CO_2$. All the gases have the same ratio $\frac{P}{\rho}$,where $P$ is the pressure and $\rho$ is the density. The ratio of the speed of sound through the gases $V_{He}: V_{CH_4}: V_{CO_2}$ is given by
The ratio of the velocity of sound in hydrogen gas to that in oxygen gas at a given temperature is:
Easy
View SolutionIt takes $2.0 \ s$ for a sound wave to travel between two fixed points when the day temperature is $10^{\circ}C$. If the temperature rises to $30^{\circ}C$,the sound wave travels between the same fixed points in ...... $s$.
Easy
View SolutionUse the formula $v=\sqrt{\frac{\gamma P}{\rho}}$ to explain why the speed of sound in air:
$(a)$ is independent of pressure,
$(b)$ increases with temperature,
$(c)$ increases with humidity.
$(a)$ is independent of pressure,
$(b)$ increases with temperature,
$(c)$ increases with humidity.
Medium
View SolutionMatch the following:
Column-$I$ Column-$II$ $(a)$ Transverse wave through a steel rod $(i)$ $\sqrt{B + \frac{4}{3} \frac{\eta}{\rho}}$ $(b)$ Longitudinal waves in earth's crust $(ii)$ $\sqrt{\frac{\eta}{\rho}}$ $(c)$ Longitudinal waves through a steel rod $(iii)$ $\sqrt{\frac{2 \pi T}{g \lambda}}$ $(d)$ Ripples $(iv)$ $\sqrt{\frac{Y}{\rho}}$
| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ Transverse wave through a steel rod | $(i)$ $\sqrt{B + \frac{4}{3} \frac{\eta}{\rho}}$ |
| $(b)$ Longitudinal waves in earth's crust | $(ii)$ $\sqrt{\frac{\eta}{\rho}}$ |
| $(c)$ Longitudinal waves through a steel rod | $(iii)$ $\sqrt{\frac{2 \pi T}{g \lambda}}$ |
| $(d)$ Ripples | $(iv)$ $\sqrt{\frac{Y}{\rho}}$ |
DifficultAP EAMCET 2021
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