Atomic Structure QUESTIONS AND ANSWERS

IIT JEE : Atomic Structure QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.The charge to mass ratio of ?-particles is approximately��. The charge to mass ratio of protons

twice

half

four times

six times

17.The wavelength of the radio-waves having frequency 3 MHz would be

100 m

300 m

100 nm

300 nm.

18.The maximum number of electrons with clockwise spin that can be accommodated in a �-subshell its

10.

19.The energy of hydrogen atom in its ground state is - 13.6 eV. The energy of the level corresponding to the quantum number n = 5 is

- 0.54 eV

- 5.40 eV

- 0.85 eV

- 2.72 eV.

20.The ratio of the mass of the proton to the mass of the electron is nearly

2000

4801

1840

8140.

More Atomic Structure QUESTIONS AND ANSWERS available in next pages

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