Electromagnetics-Plane Waves and Properties [GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC)]: Questions 1 - 4 of 17

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Question 1

Appeared in Year: 2013

Question MCQ▾

When a plane wave propagating through free space, the direction of the field

1. ‘E’ is perpendicular to the direction of propagation.

2. ‘H’ is perpendicular to the direction of propagation.

3. ‘E’ is perpendicular to the direction of the field ‘H’ .

Choices

Choice (4)Response

a.

1,2 & 3

b.

1 & 3

c.

1 & 2

d.

2 & 3

Edit

Question 2

Appeared in Year: 2014

Question Match List-Ⅰ List-Ⅱ▾

Match the following lists: (June)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

0.8 nm

(i)

Visible light

(B)

200 nm

(ii)

100 GHz

(C)

400 - 700 nm

(iii)

193 T Hz

(D)

1550 nm

(iv)

Ultra violet

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (iii)
  • (i)
  • (ii)
  • (iv)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

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Question 3

Appeared in Year: 2019

Question Assertion-Reason▾

Assertion(Ꭺ)

Brewster angle is the angle of incidence at which there is no reflection.

Reason(Ꭱ)

For parallel polarization, Brewster angle is given by following expression

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Edit

Question 4

Appeared in Year: 2015

Question MCQ▾

The electric field of a plane wave propagating in a lossless non-magnetic medium is given by the following expression

The type of the polarization is

Choices

Choice (4)Response

a.

Right Hand Elliptical

b.

Linear

c.

Left Hand Elliptical

d.

Right Hand Circular

Edit