Time Left - 20:00 mins

JEE 2020 Chemistry : Atomic Structure Quiz 2 14.06.2019

Attempt now to get your rank among 646 students!

Question 1

The wavelength of the radiation emitted, when in hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant = 1.097×107 m-1)

Question 2

Which of the following is the energy of a possible excited state of hydrogen?

Question 3

Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 × 103 ms–1
(Mass of proton = 1.67 × 10–27 kg and h = 6.63 × 10–34Js):

Question 4

Which of the following sets of quantum numbers is correct for an electron in 4f orbital?

Question 5

Uncertainty in the position of an electron (mass = 9.1 × 10–31 kg) moving with a velocity 300 ms–1, accurteupto 0.001%, will be

Question 6

Which of the following statements in relation to the hydrogen atom is correct?

Question 7

In a multi-electron atom, which of the following orbitals described by the three quantum numbers will have the same energy in the absence of magnetic and electric fields?
(a) n = 1, l = 0, m = 0
(b) n = 2, l = 0, m = 0
(c) n = 2, l = 1, m = 1
(d) n = 3, l = 2, m = 1
(e) n = 3, l = 2, m = 0

Question 8

The electron in the hydrogen atom undergoes transition from higher orbitals to orbital of radius 211.6 pm. This transition is associated with:

Question 9

Of the following sets which one does NOT contain isoelectronic species?

Question 10

If and be the threshold wavelength and wavelength of incident light, the velocity of photoelectron ejected from the metal surface is :
  • 646 attempts
  • 5 upvotes
  • 28 comments

Tags :

Jun 14JEE & BITSAT