AIIMS (All India Institute of Medical Sciences) Physics: Questions 36 - 40 of 500

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Question number: 36

» Kinematics » Scalars and Vectors » Scalar and Vector Products

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MCQ▾

Question

A force of newton acts on a body and displaces it by meter. The work done by the force is:

Choices

Choice (4)Response

a.

19J

b.

12J

c.

10J

d.

25J

Question number: 37

» Physics and Measurement » Dimensions of Physical Quantities

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Appeared in Year: 2005

MCQ▾

Question

‘Per sec’ is the unit of – [AIIMS]

Choices

Choice (4)Response

a.

Angular acceleration

b.

Frequency

c.

Time

d.

Distance

Question number: 38

» Electrostatics » Torque on a Dipole in a Uniform Electric Field

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Appeared in Year: 1994

MCQ▾

Question

An electric dipole is placed in non-uniform electric field, then it experiences: - [RPMT, AIIMS 2003]

Choices

Choice (4)Response

a.

Only torque

b.

Only linear resultant force

c.

linear resultant force and torque

d.

No force

Question number: 39

» Ray Optics » Lens Maker's Formula and Lens Formula

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MCQ▾

Question

A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25, the focal length –

Choices

Choice (4)Response

a.

Increases to a factor of 1.25

b.

Increases to a factor of 2.5

c.

Decreases to a factor of 1.2

d.

Increases to a factor of 1.2

Question number: 40

» Experimental Skills » Refractive Index

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Appeared in Year: 2004

MCQ▾

Question

An object is immersed in a fluid. In order that the object becomes invisible, it should – [AIIMS]

Choices

Choice (4)Response

a.

Have refractive index exactly matching with that of the surrounding fluid

b.

Absorb all light falling on it

c.

Behave as a perfect reflector

d.

Have refractive index one

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