NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1996 - 2000 of 2320

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Question number: 1996

Edit
Assertion-Reason▾

Assertion (Ꭺ)

Gravitational force between two particles is negligibly small compared to the electrical force.

Reason (Ꭱ)

The electrical force is experienced by charged particles only.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

Question number: 1997

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MCQ▾

Question

Two bodies of mass 10 4 kg and 10 5 kg are lying l m apart the gravitational potential at the mid-point of the line joining them is -

Choices

Choice (4)Response

a.

b.

0

c.

d.

Question number: 1998

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MCQ▾

Question

Two discs of the same material and thickness have radii 0.4 m and 0.8 m. Their moments of inertia about their axes will be in the ratio of

Choices

Choice (4)Response

a.

1: 81

b.

1: 3

c.

1: 27

d.

1: 16

Question number: 1999

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MCQ▾

Question

Moment of inertia of a ring of mass M = 5 gm and radius R = 2 cm about an axis passing through its edge and parallel to its natural axis is

Choices

Choice (4)Response

a.

30 gm-cm 2

b.

40 gm-cm 2

c.

45 gm-cm 2

d.

35 gm-cm 2

Question number: 2000

Edit
MCQ▾

Question

If the radius of the earth were to shrink by 25 % its mass remaining the same, the acceleration due to gravity on the earth’s surface would be given as-

Choices

Choice (4)Response

a.

b.

c.

d.

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