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Exam Details

Physics (PH) 2012

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Questions 65
Duration 180 mins
Package Physics (PH) - Previous Year Papers

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Showing all 65 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Physics (PH) 2012 – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
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Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2012 · Unclassified
Physics (PH) 2012
Q.1 – Q.25 carry one mark each.

Identify the CORRECT statement for the following vectors a = 3i + 2j and b = i + 2j

A
The vectors a and b are linearly independent
B
The vectors a and b are linearly dependent
C
The vectors a and b are orthogonal
D
The vectors a and b are normalized
2
2012 · Unclassified
Physics (PH) 2012

Two uniform thin rods of equal length, L, and masses M1 and M2 are joined together along the length. The moment of inertia of the combined rod of length 2L about an axis passing through the mid-point and perpendicular to the length of the rod is,

A
(M₁ + M₂) L²/12
B
(M₁ + M₂) L²/6
C
(M₁ + M₂) L²/3
D
(M₁ + M₂) L²/2
3
2012 · Unclassified
Physics (PH) 2012

The space-time dependence of the electric field of a linearly polarized light in free space is given by xE0cos(ωt − kz) where E0, ω and k are the amplitude, the angular frequency and the wavevector, respectively. The time averaged energy density associated with the electric field is

A
1/4 ε₀E₀²
B
1/2 ε₀E₀²
C
ε₀E₀²
D
2ε₀E₀²
4
2012 · Unclassified
Physics (PH) 2012

If the peak output voltage of a full wave rectifier is 10 V, its d.c. voltage is

A
10.0 V
B
7.07 V
C
6.36 V
D
3.18 V
5
2012 · Unclassified
Physics (PH) 2012

A particle of mass m is confined in a two dimensional square well potential of dimension a. The potential V(x,y) is given by V(x,y)=0 for −a

A
π²ħ²/ma²
B
2π²ħ²/ma²
C
5π²ħ²/2ma²
D
4π²ħ²/ma²
6
2012 · Unclassified
Physics (PH) 2012

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

A
-1/V₀ (∂V/∂P)ₜ₀
B
1/V₀ (∂V/∂P)ₜ₀
C
-V₀ (∂P/∂V)ₜ₀
D
V₀ (∂P/∂V)ₜ₀