MCQ
What is the phase difference between the displacement wave and pressure wave in sound wave?
- AZero
- ✓$\frac{\pi}{2}$
- C$\pi$
- D$\frac{\pi}{4}$
✓
Answer
Correct option: B.
$\frac{\pi}{2}$
b
(b)
(b)
Phase difference between the pressure and displacement wave will always be $\frac{\pi}{2}$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following diagrams does not represent a streamline flow?
In thermodynamic process, $200$ Joules of heat is given to a gas and $100$ Joules of work is also done on it. The change in internal energy of the gas is ........ $J$
→During a negative beta decay:
The trajectory of a particle moving in vast maidan is as shown in the figure. The coordinates of a position A are $(0,2)$. The coordinates of another point at which the instantaneous velocity is same as the average velocity between the points are
→The escape velocity for the earth is ${v_e}$. The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is
→The rectangular plate shown in the figure is rotated in turn about $x-x,\, y-y$ and $z-z$ axes passing through its centre of mass $O$ . Its moment of inertia is
→A particle is thrown with a speed $u$ at an angle $\theta$ with the horizontal. When the particle makes an angle $\phi$ with the horizontal, its speed changes to $v$, where
→A body of mass $2\; kg$ has an initial velocity of $3 \;m / s$ along $OE$ and it is subjected to a force of $4$ newtons in $OF$ direction perpendicular to $OE$. The distance of the body from $O$ after $4 \;seconds$ will be
→The acceleration of a particle which moves along the positive $x-$axis varies with its position as shown. If the velocity of the particle is $0.8 m/s$ at $x = 0$ , the velocity of the particle at $x = 1.4$ is(in $m/s$)
→The hour hand of a clock is $6\,cm$ long. The magnitude of the displacement of the tip of hour between $1:00\,PM$ to $5:00\,PM$ is
→