MCQ
$X-$ rays region lies between
  • A
    Short radiowave and visible region
  • B
    Visible and ultraviolet region
  • Gamma rays and ultraviolet region
  • D
    Short radiowave and long radiowave

Answer

Correct option: C.
Gamma rays and ultraviolet region
c
$X$-rays region lies between gamma rays and ultraviolet region.

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

The temperature of $5$ moles of a gas which was held at constant volume was changed from ${100^o}C$ to ${120^o}C$. The change in internal energy was found to be $80$ Joules. The total heat capacity of the gas at constant volume will be equal to ...... $J/K$
A square coil $ABCD$ is placed in $x-y$ plane with its centre at origin. $A$ long straight wire, passing through origin, carries a current in negative $z$ -direction. Current in this wire increases with time. The induced current in the coil is :
Snow is more heat insulating than ice, because
A ball is thrown upward with speed $10 \,m / s$ from the top of the tower reaches the ground with a speed $20 \,m / s$. The height of the tower is ......... $m$ [Take $g=10 \,m / s ^2$ ]
In the electric network shown, when no current flows through the $4\, \Omega $ resistor in the arm $EB$, the potential difference between the points $A$ and $D$ will be ............... $V$
A particle of mass $'m'$ and charge $'q'$ is accelerated through a potential difference of $'V'$ volt. Its energy is
The force required to stretch a spring varies with the distance as shown in the figure. If the experiment is performed with the above spring of half length, the line $OA$ will
A smooth tube of certain mass closed at both ends is rotated in a gravity free space and released. The two balls shown in figure moves towards the ends of the tube and stay there. Then which statement is incorrect about this whole system
A potential divider circuit is connected with a dc source of $20 \mathrm{~V}$, a light emitting diode of glow in voltage $1.8 \mathrm{~V}$ and a zener diode of breakdown voltage of $3.2 \mathrm{~V}$. The length (PR) of the resistive wire is $20 \mathrm{~cm}$. The minimum length of $P Q$ to just glow the LED is ............. cm.
A total charge $Q$ is broken in two parts $Q_1$ and $Q_2$ and they are placed at a distance $R$ from each other. The maximum force of repulsion between them will occur, when