NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 414 - 418 of 2142

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Question number: 414

» Electrostatics » Capacitors

MCQ▾

Question

A capacitor of capacity C 1 is charged up to V volt and then connected to an uncharged capacitor of capacity C 2. Then final potential difference across each will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 415

» Rotational Motion » Torque

MCQ▾

Question

A wheel having moment of inertia 5 kg -m 2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in 1 minute would be

Choices

Choice (4) Response

a.

Equation

b.

2 π 15 N m

c.

Equation

d.

Equation

Question number: 416

» Properties of Solids & Liquids » Hooke's Law

MCQ▾

Question

The shape of stress vs strain graph within elastic limit is:

Choices

Choice (4) Response

a.

Straight line

b.

ellipse

c.

Parabolic

d.

curve line

Question number: 417

» Physics and Measurement » Accuracy and Precision of Measuring Instruments

MCQ▾

Question

If h be the elevation or depression of a spherical surface from the plane glass plate and o be the mean distance between two consecutive points corresponding to the impressions made by the three legs of a spherometer then the radius of curvature is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 418

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

Question

A fire man has to carry an injured person of mass 30 kg from the top of a building with the help of the rope which can withstand a load of 150 kg. The acceleration of the

Fireman if his mass is 50 kg, will be

Choices

Choice (4) Response

a.

17.97 m/s 2

b.

9.8 m/s 2

c.

8.575 m/s 2

d.

2.63 m/s 2

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