Physics Modern Physics questions from JEE Main 2007.
Photon of frequency $\mathrm{v}$ has a momentum associated with it. If $\mathrm{c}$ is the velocity of light, the momentum is
If $\mathrm{M_o}$ is the mass of an oxygen isotope $\mathrm{{ }_8 O^{17}, M_p}$ and $\mathrm{M_N}$ are the masses of a proton and a neutron respectively, the nuclear binding energy of the isotope is
Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?
Which of the following transitions in hydrogen atoms emit photons of highest frequency?
If in a $\mathrm{p-n}$ junction diode, a square input signal of $10 \mathrm{~V}$ is applied as shown   Then the output signal across $R_{\mathrm{L}}$ will be