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

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Question number: 1996

» Gravitation » Universal Law of Gravitation

Edit
Assertion-Reason▾

Question

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

» Gravitation » Gravitational Potential

Edit
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

» Rotational Motion » Moment of Inertia

Edit
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

» Rotational Motion » Values of Moments of Inertia

Edit
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

» Gravitation » Gravitational Acceleration

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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