A photon and an electron (mass $m$) have the same energy $E$. The ratio ($\lambda_{\text{photon}}/\l

A constant voltage of $50\text{ V}$ is maintained between the points $A$ and $B$ of the circuit show

An electric dipole with dipole moment $5 \times 10^{-6}\text{ Cm}$ is aligned with the direction of

De-Broglie wavelength of an electron orbiting in the $n = 2$ state of hydrogen atom is close to (Giv

A wire of resistance R is cut into 8 equal pieces. From these pieces two equivalent resistances are

A body weight $48\text{ N}$ on the surface of the earth. The gravitational force experienced by the