De-Broglie wavelength of an electron orbiting in the $n = 2$ state of hydrogen a
NextA constant voltage of $50\text{ V}$ is maintained between the points $A$ and $B$
A photon and an electron (mass $m$) have the same energy $E$. The ratio ($\lambda_{\text{photon}}/\l
EasyA constant voltage of $50\text{ V}$ is maintained between the points $A$ and $B$ of the circuit show
EasyDe-Broglie wavelength of an electron orbiting in the $n = 2$ state of hydrogen atom is close to (Giv
EasyA wire of resistance R is cut into 8 equal pieces. From these pieces two equivalent resistances are
EasyA body weight $48\text{ N}$ on the surface of the earth. The gravitational force experienced by the
EasyThe radius of Martian orbit around the Sun is about $4\text{ times}$ the radius of the orbit of Merc
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