NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 416 - 420 of 2142

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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.

b.

c.

d.

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

Question number: 419

» Electrostatics » Forces Between Two Point Charges

Assertion-Reason▾

Assertion (Ꭺ)

Direction of electric field at a point signifies direction of force experienced by a point charge placed at that point.

Reason (Ꭱ)

Electric field is a vector quantity.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

Both Ꭺ and Ꭱ are false

d.

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

Question number: 420

» Laws of Motion » Force and Inertia

MCQ▾

Question

A body of mass m tied at the end of a string of length i is projected with velocity , at what height will it leave the circular path –

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
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