NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 230 - 237 of 2320

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Question number: 230

» Kinematics » Uniform and Non-Uniform Motion

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MCQ▾

Question

A fire man has to carry an injured person of mass 40 kg from the top of a building with the help of the rope which can withstand a load of 100 kg. The acceleration of the

Fireman if his mass is 80 kg, will be

Choices

Choice (4)Response

a.

1.63 m/s 2

b.

9.8 m/s 2

c.

17.97 m/s 2

d.

8.17 m/s 2

Question number: 231

» Physics and Measurement » Fundamental and Derived Units. Least Count

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Question

A Vernier caliper N divisions of Vernier scale coincides with N - 1 divisions of main scale (in which length of one division is 1 mm). The least count of the instrument should be

Choices

Choice (4)Response

a.

1/N - 1

b.

N

c.

N-1

d.

1 10 N

Question number: 232

» Rotational Motion » Angular Momentum

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Question

A wheel rotates with a constant acceleration of 2.0 radian/sec 2. It the wheel starts from rest, the number of revolutions it makes in the first ten seconds will be approximately

Choices

Choice (4)Response

a.

32

b.

16

c.

24

d.

8

Question number: 233

» Laws of Motion » Force and Inertia

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Question

A body of mass 20 kg moving with a velocity of 5 m/s is to be stopped by a resistive force in 25 sec, the force will be

Choices

Choice (4)Response

a.

50 N

b.

10 N

c.

100 N

d.

5 N

Passage

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged.

Three concentric spherical conductors

Three Concentric Spherical Conductors

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively.

Question number: 234 (1 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

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Question

Charge on conductor A is

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 235 (2 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

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Question

Potential at B is

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 236 (3 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

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MCQ▾

Question

Potential at A is due to B

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 237

» Rotational Motion » Angular Momentum

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MCQ▾

Question

If the earth is a point mass of 5 × 1024 kg revolving around the sun at a distance of 1.1 × 108 km and in time T = 3.14 × 107 s. Then the angular momentum of the earth around the sun is

Choices

Choice (4)Response

a.

1.5 x 10 37 kg m 2 /s

b.

1.21 x 10 40 kg m 2

c.

1.21 x 10 40 kg m 2 /s

d.

2.7 x 10 40 kg m 2 /s

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