Structure of Atom Quiz 15 – Punjab Meritorious School Preparation Portal

Name

Email

School Name with City

Phone Number

33 nm

45.6 nm

23.3 nm

0.33 nm

3

4

2

5

9

2

3

5

If the ionisation potential for hydrogen atom is 13.6 eV, then the wavelength of light required for the ionisation of hydrogen atom would be

1911 nm

1912 nm

68 nm

91.2 nm

90

20

40

10

The ionisation potential of hydrogen atom 13.6 eV. The energy required to remove an electron from the n = 2 state of hydrogen atom is:

27.2 eV

13.6 eV

6.8 eV

3.4 eV

1.0 eV

3.39 eV

6.79 eV

10.19 eV

The electronic velocity in the fourth Bohr's orbit of hydrogen is v. The velocity of the electron in the first orbit would be:

4v

16v

v/4

v /16

- 85 eV

- 13.62 eV

-1.70 eV

- 6.82 eV

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