Doppler effect is applicable for - Vidyadip

MCQ

Doppler effect is applicable for

A
Moving bodies
B
One is moving and other are stationary
✓
For relative motion
D
None of these

✓

Answer

Correct option: C.

For relative motion

(c)

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

Explore more

More "MCQ" from Waves and Sound→Waves and Sound — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

A particle $P$ is moving in a circle of radius ' $a$ ' with a uniform speed $v . C$ is the centre of the circle and $A B$ is a diameter. When passing through $B$ the angular velocity of $P$ about $A$ and $C$ are in the ratio

In a region of uniform magnetic induction $B=10^{-2}$ tesla, a circular coil of radius $30 cm$ and resistance $\pi ohm$ is rotated about an axis which is perpendicular to the direction of $B$ and which forms a diameter of the coil. If the coil rotates at $200 rpm$ the amplitude of the alternating current induced in the coil is

A person cannot see distinctly at the distance less than one metre. Calculate the power of the lens that he should use to read a book at a distance of $25 \mathrm{~cm}$

A cord is used to lower vertically a block of mass $\mathcal{M}$ by a distance $d$ with constant downward acceleration $\frac{g}{4}$. Work done by the cord on the block is

If temperature of an object is $140^{\circ} \mathrm{F}$, then its temperature in centigrade is

A spring has a certain mass suspended from it and its period for vertical oscillation is $T$. The spring is now cut into two equal halves and the same mass is suspended from one of the halves. The period of vertical oscillation is now

Hubble's law is related with

The energy of a hydrogen atom in its ground state is $-13.6 eV$. The energy of the level corresponding to the quantum number $n=2$ (first excited state) in the hydrogen atom is

Dimensional formula of capacitance is

In a photocell bichromatic light of wavelength $2475 \mathring A$ and $6000 \mathring A$ are incident on cathode whose work function is $4.8 \mathrm{eV}$. If a uniform magnetic field of $3 \times 10$. Tesla exists parallel to the plate, the radius of the path describe by the photoelectron will be (mass of electron = $9 \times 10 \cdot \mathrm{kg}$ )