MCQ
Which of the following rays has the maximum frequency
  • Gamma rays
  • B
    Blue light
  • C
    Infrared rays
  • D
    Ultraviolet rays

Answer

Correct option: A.
Gamma rays
$v_{\gamma-\text { rays }}>v_{U V \text {-rays }}>v_{\text {Blue light }}>v_{\text {Infrared rays }}$

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

In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations $\delta_m$ and angle of refraction $r$ will be correct
A body of mass $m \mathrm{~kg}$ is lifted by a man to a height of one metre in $30 \mathrm{sec}$. Another man lifts the same mass to the same height in 60 sec. The work done by them are in the ratio
For a given thermocouple, the thermo e.m.f. can be
A galvanometer has a resistance of $50\  \Omega$ and it allows maximum current of $5 \mathrm{~mA}$. It can be converted into voltmeter to measure upto $100 \mathrm{~V}$ by connecting in series a resistor of resistance
A loop carrying current $I$ lies in the $x$-y plane as shown in the figure. the unit vector $\hat{ k }$ is coming out of the plane of the paper. the magnetic moment of the current loop is :
If $a_r$ and $a_t$ represent radial and tangential accelerations, the motion of a particle will be uniformly circular if
Two capillary of length $L$ and $2 L$ and of radius $R$ and $2 R$ are connected in series. The net rate of flow of fluid through them will be (given rate of the flow through single capillary, $\left.X=\pi P R^4 / 8 \eta L\right)$
The focal length of a combination of lenses formed with lenses having powers of $+2.50 D$ and $-3.75 D$ will be
The isothermal Bulk modulus of an ideal gas at pressure $P$ is
When light is incident on a medium at angle $i$ and refracted into a second medium at an angle $r$, the graph of $\sin i v s \sin r$ is as shown in the graph. From this, one can conclude that

Image