GATE (Graduate Aptitude Test in Engineering) Physics: Questions 187 - 190 of 659

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Question 187

Appeared in Year: 2011

Question

MCQ▾

Two particles, each of rest mass collide head – on and stick together. Before collision, the speed of each mass was times the speed of light in free space. The mass of the final entity is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 188

Appeared in Year: 2013

Question

MCQ▾

A circular polarized monochromatic plane wave is incident on a dielectric interface at Brewster angle. Which one of the following statement is CORRECT?

Choices

Choice (4)Response

a.

The reflected light is plane polarized in the plane of incidence and the transmitted light is circularly polarized.

b.

The reflected light is plane polarized perpendicular to the plane of incidence and the transmitted light is plane polarized in the plane of incidence.

c.

There will be no reflection light and the transmitted light is circularly polarized.

d.

The reflected light is plane polarized perpendicular to the plane of incidence and the transmitted light is elliptically polarized.

Question 189

Appeared in Year: 2013

Question

MCQ▾

If and are constant vectors, then is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 190

Appeared in Year: 2013

Question

MCQ▾

is equal to –

[Given and ]

Choices

Choice (4)Response

a.

b.

c.

d.

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