Easy· de Broglie wavelength· +4 / −1
de Broglie wavelength of proton = and that of an particle is . The ratio of velocity of proton to that of particle is :
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The photoelectric…
JEE Mains 2022 June 29 Shift 1 · Easy
The electric field associated with a light wave is given by E=200[(6×10^15)t+(9×10^15)t]\ V m^-1 Given : h=4.14×10^-15\ eV s . If this…
JEE Mains 2022 June 29 Shift 2 · Medium
The work function of a metal is 6.63×10^-19\ J . Then the maximum wavelength of light that can remove photoelectrons is (in nm) :
JEE Mains 2022, June 28 - Shift 1 · Easy