Classical Mechanics-Special Theory of Relativity (CSIR Physical Sciences): Questions 4 - 7 of 15

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Question number: 4

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

Let v,pandE denote the speed, the magnitude of momentum, and the energy of a free particle of rest mass m. Then – (December)

Choices

Choice (4) Response
a.

dEdp=constant

b.

v=cpp2+m2c2

c.

p = mv

d.

E=mc2

Question number: 5

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2014

MCQ▾

Question

In a measurement of the viscous drag force experiment by spherical particles in a liquid, the force is found to be proportional to V13 ; where V is the measured value of each particle. If V is measured to be 30mm3 , with an uncertainty of 2.7mm3 , the resulting relative percentage uncertainty in measured force is – (December)

Choices

Choice (4) Response
a.

6

b.

0.09

c.

2.08

d.

3

Question number: 6

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

Appeared in Year: 2014

MCQ▾

Question

According to the special theory of relativity, the speed v of a free particle of free particle of mass m and total energy E is – (December)

Choices

Choice (4) Response
a.

v=c1mc2E

b.

v=c1(mc2E)2

c.

v=2Em(1+mc2m)

d.

v=c(1+mc2E)

Question number: 7

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

A horizontal circular platform rotates with a constant angular velocity Ω directed vertically upwards. A person seated at the centre shoots a bullet of mass ‘m’ horizontally with speed ‘v’. The acceleration of the bullet, in the reference frame of the shooter, is – (June)

Choices

Choice (4) Response
a.

2vΩtohisright

b.

2vΩtohisleft

c.

vΩtohisright

d.

vΩtohisleft

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