MCQ
$X−$ray falling on a material.
  • A
    Exerts a force on it
  • Transfer energy to it
  • C
    Transfers momentum to it
  • D
    Transfers impules to it

Answer

Correct option: B.
Transfer energy to it

The emitted $X-$rays transfer energy to the material on which it is falling.

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

An e.m.f. of 12 volt is produced in a coil when the current in it changes at the rate of 45 amp/minute. The inductance of the coil is
The $X$-ray beam coming from the $X$-rays tube will be
In the given figure as shown, the reading of the ammeter in ampere is.
Image
The resistance of a wire is $R\; ohm$. If it is melted and stretched to $'n'$ times its original length, its new resistance will be
When the number of turns and the length of the solenoid are doubled keeping the area of cross-section same, the inductance
A dip circle lies initially in the magnetic meridian, it shows an angle of dip $\delta$ at a place. The dip circle is rotated through an angle $\alpha$ in the horizontal plane and then it shows an angle of dip $\delta^{\prime}$. Hence $\frac{\tan \delta^{\prime}}{\tan \delta}$ is
A point charge $+Q$ is positioned at the centre of the base of a square pyramid as shown. The flux through one of the four identical upper faces of the pyramid is
An electron in a hydrogen atom undergoes a transition from an orbit with quantum numebr $\mathrm{n}_i$ to another with quantum number $\mathrm{n}_f . \mathrm{V}_i$ and $\mathrm{V}_f$ are respectively the initial and final potential energies of the electon. If $\frac{\mathrm{v}_{\mathrm{i}}}{\mathrm{v}_{\mathrm{f}}}=6.25$, then the smallest possible $n_f$ is
If the wavelength of light in vacuum be $\lambda$, the wavelength in a medium of refractive index $n$ will be
The speeds of microwaves, infrared waves, and ultraviolet waves are $V_m, V_i$, and $V_u$ respectively. Identify the correct combination showing the different waves in vacuum.