Atomic Structure-De-Broglie's Relationship (NEET Chemistry): Questions 1 - 6 of 7

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Question number: 1

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

If a particle have momentum of p = 1.60 ×1027kg.ms. what will be the de Broglie wavelength (m) of that particle?

Choices

Choice (4) Response
a.

478nm

b.

520nm

c.

414 nm

d.

500nm

Question number: 2

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

The wavelength of a 150 g rubber ball moving with velocity 50 m sec-1 is -

Choices

Choice (4) Response
a.

8.83×1031cm

b.

8.83×1030cm

c. 8.83×1033cm
d.

4.83×1033cm

Question number: 3

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

Calculate momentum of radiations of wavelength 0.33 nm.

Choices

Choice (4) Response
a.

2.01×1024 Kg m sec-1

b.

2.01×1022 Kg m sec-1

c.

4.01×1024 Kg m sec-1

d.
2.01×1018 Kg m sec-1

Question number: 4

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

Calculate the wavelength of a moving electron having 4.55 x 10-25 J of kinetic energy -

Choices

Choice (4) Response
a.

6.27 x 1 07 meter

b.

7.27 x 1 07 meter

c.

12.27 x1 07 meter

d.

6.27 x 1 07 meter

Question number: 5

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

with what velocity must an electron travel so that its momentum is equal to that of a photon of wavelength λ =5200 Å?

Choices

Choice (4) Response
a.

1400m/s

b.

1300m/s

c.

1200m/s

d.

1235m/s

Question number: 6

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54

Choices

Choice (4) Response
a.

63.3 volt

b.

43.3 volt

c.

53.3 volt

d.

33.3 volt

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