Classical Mechanics-Special Theory of Relativity (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 11 - 14 of 16

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Question number: 11

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

What is the proper time interval between the occurrences of two events if in one inertial frame the events are separated by Equation and occurs Equation apart? (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 12

» Classical Mechanics » Special Theory of Relativity » Mass-Energy Equivalence

Appeared in Year: 2011

MCQ▾

Question

The minimum energy of an electron (the rest mass of which is 0.5 MeV) that can emit Cerenkov radiation while passing through water (of refractive index 1.5) is approximately – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 13

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2011

MCQ▾

Question

Two gravitating bodies A and B with masses Equation and Equation , respectively, are moving I circular orbit. Assume that Equation and let the radius of the orbit of body A be Equation . If the body A is losing mass adiabatically, its orbital radius Equation is proportional to –

(June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Classical Mechanics » Special Theory of Relativity » Mass-Energy Equivalence

Appeared in Year: 2011

MCQ▾

Question

An atom of mass M can be excited to a state of mass Equation by photon capture. The frequency of a photon which can cause this transition is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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