Question
The $\gamma\ \text{radiations}$ are:

Answer

  1. Electromagnetic radiation with high energy.

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 work function of a metal is $ hc/\lambda_{0} $. Light of wavelength $ \lambda $ is incident on the surface of the metal. For emission of electrons from the metal the condition is :
The nature of binding for a crystal with alternate and evenly spaced positive and negative ions is(a) Covalent(b) Metallic(c) Dipolar(d) Ionic
       
In the circuit shown in Fig., if the diode forward voltage drop is $0.3V,$ the voltage difference between $A$ and $B$ is:
The diameter of objective of a telescope is $1m.$ Its resolving limit for the light of wavelength $4538\mathring{\text{A}}$, will be$:$
The magnitude of which of the following is proportional to the frequency of the wave?
A parallel$-$plate capacitor has plates of unequal area. The larger plate is connected to the positive terminal of the battery and the smaller plate to its negative terminal. Let $Q_+$ and $Q_-$ be the charges appearing on the positive and negative plates respectively:
The speed of an electron having a wavelength of $10^{-10} \mathrm{~m}$ is
The magnetic moment of a bar magnet is thus ...A... to the magnetic moment of an equivalent solenoid that produces the same magnetic field.
Here, A refers to.
In Young’s double slit experiment, the central bright fringe can be identified(a) By using white light instead of monochromatic light(b) As it is narrower than other bright fringes(c) As it is wider than other bright fringes (d) As it has a greater intensity than the other bright fringes
 
 
 
 
The ratio of the speed of the electrons in the ground state of hydrogen to the speed of light in vacuum is(a) 1/2     (b) 2/137(c) 1/137 (d) 1/237