Classical Mechanics [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 46 - 50 of 109

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Question 46

Appeared in Year: 2012

Question MCQ▾

The Poisson bracket has the value – (June)

Choices

Choice (4)Response

a.

1

b.

c.

d.

3

Edit

Question 47

Appeared in Year: 2011

Question MCQ▾

A particle of mass ‘m’ moves inside a bowl. If the surface of the bowl is given by the equation where, is a constant, the Lagrangian of the particle is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 48

Appeared in Year: 2011

Question MCQ▾

An annulus of mass M made of a material of uniform density has inner and outer radii ‘a’ and ‘b’ respectively. Its principal moment of inertia along the axis of symmetry perpendicular to the plane of the annulus is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 49

Appeared in Year: 2011

Question MCQ▾

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.

b.

c.

d.

Edit

Question 50

Question MCQ▾

The character table of , the group of symmetries of an equilateral triangle is given below,

In Above Table Character Table of C3v, the Group of Symmetries of an Equilateral Triangle is Given

In the above denotes the three classes of , containing 1,3 and 2 elements respectively, and are the characters of the three irreducible representations and of . The entries and in this table are, respectively –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit