Electromagnetic Theory-Electromagnetic Waves and Their Reflection (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 1 - 4 of 11

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Question number: 1

» Electromagnetic Theory » Electromagnetic Waves and Their Reflection

Appeared in Year: 2015

MCQ▾

Question

A plane wave after passing through an optical element emerges as , where and are the wavevector and the angular frequency, respectively. The optical element is a –

Choices

Choice (4) Response

a.

Faraday rotator

b.

Polarizer

c.

Quarter wave plate

d.

Half wave plate

Question number: 2

» Electromagnetic Theory » Electromagnetic Waves and Their Reflection

Appeared in Year: 2014

MCQ▾

Question

A particle of mass is in a potential given by,

Where and are positive constants. When disturbed slightly from its stable equilibrium position, it undergoes a simple harmonic oscillation. The time period of oscillation is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Electromagnetic Theory » Electromagnetic Waves and Their Reflection

Appeared in Year: 2014

Short Answer Question▾

Write in Short

The electric field of a uniform plane wave propagating in a dielectric, non – conducting medium is given by,

The phase velocity of the wave is ________

Question number: 4

» Electromagnetic Theory » Electromagnetic Waves and Their Reflection

Appeared in Year: 2012

MCQ▾

Question

A plane electromagnetic wave traveling in free space is incident normally on a glass plate of refractive index . If there is no absorption by the glass, its reflectivity is –

Choices

Choice (4) Response

a.

b.

c.

d.

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