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Exam Details

Physics (PH) 2011

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

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Subject distribution

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Difficulty distribution

Easy 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Physics (PH) 2011 – 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
2011 · Unclassified
Physics (PH) 2011
Q.1 – Q.25 carry one mark each.

Two matrices A and B are said to be similar if B = P−1AP for some invertible matrix P. Which of the following statements is NOT TRUE?

A
Det A = Det B
B
Trace of A = Trace of B
C
A and B have the same eigenvectors
D
A and B have the same eigenvalues
2
2011 · Unclassified
Physics (PH) 2011

If a force F⃗ is derivable from a potential function V(r), where r is the distance from the origin of the coordinate system, it follows that

A
∇⃗ × F⃗ = 0
B
∇⃗ ⋅ F⃗ = 0
C
∇⃗ V = 0
D
∇²V = 0
3
2011 · Unclassified
Physics (PH) 2011

The quantum mechanical operator for the momentum of a particle moving in one dimension is given by

A
iħ d/dx
B
-iħ d/dx
C
iħ ∂/∂t
D
-ħ²/2m d²/dx²
4
2011 · Unclassified
Physics (PH) 2011

A Carnot cycle operates on a working substance between two reservoirs at temperatures T1 and T2, with T1 > T2. During each cycle, an amount of heat Q1 is extracted from the reservoir at T1 and an amount Q2 is delivered to the reservoir at T2. Which of the following statements is INCORRECT?

A
Work done in one cycle is Q₁ - Q₂
B
Q₁/T₁ = Q₂/T₂
C
Entropy of the hotter reservoir decreases
D
Entropy of the universe (consisting of the working substance and the two reservoirs) increases
5
2011 · Unclassified
Physics (PH) 2011

In a first order phase transition, at the transition temperature, specific heat of the system

A
diverges and its entropy remains the same
B
diverges and its entropy has finite discontinuity
C
remains unchanged and its entropy has finite discontinuity
D
has finite discontinuity and its entropy diverges
6
2011 · Unclassified
Physics (PH) 2011

The semi-empirical mass formula for the binding energy of nucleus contains a surface correction term. This term depends on the mass number A of the nucleus as

A
A⁻1/3
B
A¹/3
C
A²/3
D
A