Match List-I with List-II :
|(a)||n = 2, l = 1||(i)||2s|
|(b)||n = 3, l = 2||(ii)||3s|
|(c)||n = 3, l = 0||(iii)||2p|
|(d)||n = 2, l = 0||(iv)||3d|
Choose the correct answer from the options given below :
When electromagnetic radiation of wavelength 300 nm falls on the surface of a metal, electrons are emitted with the kinetic energy of 1.68 $$\times$$ 105 J mol$$-$$1. What is the minimum energy needed to remove an electron from the metal?
(h = 6.626 $$\times$$ 10$$-$$34 Js, c = 3 $$\times$$ 108 ms$$-$$1, NA = 6.022 $$\times$$ 1023 mol$$-$$1)
Identify the incorrect statement from the following.
If radius of second Bohr orbit of the He+ ion is 105.8 pm, what is the radius of third Bohr orbit of Li2+ ion?