Atomic Structure-Heisenberg Uncertainty Principle (NEET Chemistry): Questions 1 - 5 of 9

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Question number: 1

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

what will be the uncertainty in velocity of a cricket ball if its uncertainty in position is of order of 1Å.

(If mass = 0.15kg)

Choices

Choice (4) Response

a.

2.22 ×10−28 m/s

b.

3.51 ×10−24 m/s

c.

2.22 ×10−24 m/s

d.

3.51 ×10−28 m/s

Question number: 2

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

If uncertainty in position and momentum are equal, the uncertainty in velocity is –

Choices

Choice (4) Response

a.

h/π

b.

12mh/π

c.

h/2π

d.

Question does not provide sufficient data or is vague

Question number: 3

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

The uncertainty in position and velocity of a particle are 10−10 m and 5.27 x 10−24 ms-1 respectively. Calculate the mass of the particle is (h = 6.625 x 10−34 Js)

Choices

Choice (4) Response

a.

0.99 g

b.

0.099 kg

c.

0.92 kg

d.

All of the above

Question number: 4

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

Uncertainty in position of a minute particle of mass 25g in space is 1 0−5 m. The uncertainty in its velocity (in m/s) is

Choices

Choice (4) Response

a.

2.1 ×10−34

b.

2.1 ×1034

c.

2.1 ×10−28

d.

2.1 ×1028

Question number: 5

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

Uncertainty is possible in a particle of 25g in space 10−5m. uncertainty in velocity is-

Choices

Choice (4) Response

a.

1.1×10 - 28

b.

1.1×10−18

c.

2.1×10−36

d.

2.1×10−28

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