Electromagnetic Theory (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 12 - 16 of 82

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Question number: 12

» Electromagnetic Theory » Energy and Momentum of Electromagnetic Waves

Appeared in Year: 2014

Short Answer Question▾

Write in Short

The intensity of a laser in free space is Equation . The corresponding amplitude of the electric field of the laser is Equation . Equation

Question number: 13

» Electromagnetic Theory » Interference

Appeared in Year: 2014

MCQ▾

Question

In an interference pattern formed by two coherent sources, the maximum and the minimum of the intensities are Equation and Equation , respectively. The intensities of the individual waves are –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Electromagnetic Theory » Diffraction and Polarization

Appeared in Year: 2015

Short Answer Question▾

Write in Short

A point charge is placed between two semi – infinite conducting plates which are inclined at an angle of Equation with respect to each other. The number of image charge is ________.

Question number: 15

» Electromagnetic Theory » Diffraction and Polarization

Appeared in Year: 2014

MCQ▾

Question

An unpolarized light wave is incident from air on a glass surface at the Brewster angle. The angle between the reflected and the refracted wave is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2016

MCQ▾

Question

The direction of Equation for a scalar field Equation at the point Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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