GATE Physics: Questions 152 - 154 of 622

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Question number: 152

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2012

MCQ▾

Question

The isothermal compressibility, κ of an ideal gas at temperature T0 and volume V0 is given by,

Choices

Choice (4) Response

a.

1V0VP T0

b.

1V0PV T0

c.

1V0VP T0

d.

V0PV T0

Question number: 153

» Electromagnetic Theory » Maxwell's Equations

Appeared in Year: 2012

MCQ▾

Question

A plane polarized electromagnetic wave in free space at time t=0 is given by E(x,z)=10j^exp[i(6x+8z)] . The magnetic field B(x,z,t) is given by –

Choices

Choice (4) Response

a.

B(x,z,t)=1C(6k^+8i^)exp[i(6x+8zct)]

b.

B(x,z,t)=1C(6k^+8i^)exp[i(6x+8z10ct)]

c.

B(x,z,t)=1C(6k^8i^)exp[i(6x+8z10ct)]

d.

B(x,z,t)=1C(6k^8i^)exp[i(6x+8zct)]

Question number: 154

» Atomic and Molecular Physics » Spectra of One- and Many-Electron Atoms

Appeared in Year: 2012

Match List-Ⅰ List-Ⅱ▾

Question

Match the typical spectroscopic regions specific in Group I with the corresponding type of transitions in Group II.
List-Ⅰ (Group - I) List-Ⅱ (Group - II)

(A)

Infra – red region

(i)

Electronic transitions involving valence electrons

(B)

γ ray region

(ii)

Nuclear transitions

(C)

X ray region

(iii)

Transition involving inner shell electrons

(D)

Ultraviolet – visible region

(iv)

Vibration transitions of molecules

Choices

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

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (iv)
  • (ii)
  • (iii)
  • (i)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (iii)
  • (iv)
  • (i)
  • (ii)

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