NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2173 - 2177 of 2184

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Question number: 2173

» Physics and Measurement » Technology and Society

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Appeared in Year: 2014

MCQ▾

Question

A balloon with mass ′ m ′ is descending down with an acceleration ′ a’ (where a < g). How much mass should be removed from it so that

it starts moving up with an acceleration ′ a ’? (AIPMT)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2174

» Physics and Measurement » Technology and Society

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Appeared in Year: 2013

MCQ▾

Question

Infinite number of bodies, each of mass 2 kg are situated on x axis at distances 1 m, 2 m, 4 m, 8m, ……, respectively, from the origin. The resulting gravitational potential due to this system at the origin will be: (AIPMT)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2175

» Electrostatics » Electric Potential

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MCQ▾

Question

In a region of constant potential

Choices

Choice (4) Response

a.

The electric field is zero

b.

The electric field is uniform

c.

There can be no charge inside the region.

d.

Both c. and a. are correct

Question number: 2176

» Electrostatics » Electric Field

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MCQ▾

Question

A hemisphere is uniformly charged positively. The electric field at a point on a diameter away from the centre is directed

Choices

Choice (4) Response

a.

Perpendicular to the diameter

b.

At an angle tilted towards the diameter

c.

At an angle tilted away from the diameter.

d.

Parallel to the diameter

Question number: 2177

» Electrostatics » Electric Potential

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MCQ▾

Question

The electrostatic potential on the surface of a charged conducting sphere is 100V. Two statements are made in this regard:

: At any point inside the sphere, electric intensity is zero.

: At any point inside the sphere, the electrostatic potential is 100V.

Which of the following is a correct statement?

Choices

Choice (4) Response

a.

is true, is also true but the statements are independent.

b.

& are false.

c.

is true, is also true and is the cause of .

d.

is true but is false.