GATE (Graduate Aptitude Test in Engineering) Physics: Questions 151 - 155 of 659

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Question 151

Appeared in Year: 2012

Question

MCQ▾

The isothermal compressibility, of an ideal gas at temperature and volume is given by,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 152

Appeared in Year: 2012

Question

MCQ▾

A plane polarized electromagnetic wave in free space at time is given by . The magnetic field is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 153

Appeared in Year: 2012

Question

Match List-Ⅰ List-Ⅱ▾

Match the typical spectroscopic regions specific in Group with the corresponding type of transitions in Group .

List-Ⅰ (Group - I)List-Ⅱ (Group - II)
(A)

Infra – red region

(i)

Transition involving inner shell electrons

(B)

ray region

(ii)

Nuclear transitions

(C)

Ultraviolet – visible region

(iii)

Vibration transitions of molecules

(D)

ray region

(iv)

Electronic transitions involving valence electrons

Choices

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

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)

Question 154

Appeared in Year: 2012

Question

MCQ▾

If the peak output voltage of a full wave rectifier is , its d. c. voltage is –

Choices

Choice (4)Response

a.

b.

c.

d.

Passage

In a hydrogen atom, consider that the electromagnetic charge is uniformly distributed in a spherical volume of radius around the proton. The atom is placed in a uniform electric field . Assume that the spherical distribution of the negative charge remains undistorted under the electric field.

Question 155 (1 of 2 Based on Passage)

Appeared in Year: 2015

Question

MCQ▾

The polarizability of the hydrogen atom in unit of is –

Choices

Choice (4)Response

a.

b.

c.

d.

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