Easy· Dual nature, de Broglie and Heisenberg principle· +4 / −1
Which of the following is the correct plot between (de Broglie wavelength) and (momentum)?
The work function of a metal is 6.63×10^-19\ J . Find the maximum (threshold) wavelength of light required to emit a photoelectron.
JEE Mains 2022, June 28 - Shift 1 · Easy
What is the minimum energy (in eV) required for an electron to excite from ground state to 1st excited state for hydrogen atom?
JEE Mains 2024 1st Feb Shift 1 · Easy
Which of the following statements are correct? (A) The electronic configuration of Cr is [Ar]3d^54s^1 . (B) The magnetic quantum number…
JEE Mains 2022 June 29 Shift 1 · Easy
Which of the following is the correct plot for the probability density ^2(r) as a function of distance r of the electron from the nucleus…
JEE Mains 2022 June 29 Shift 2 · Medium