Classical Mechanics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 1 - 3 of 84

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Question 1

Appeared in Year: 2015

Question

MCQ▾

The Hamiltonian for a system of two particles of masses and at and having velocities and is given by , where C is a constant. Which one of the following statements is correct?

Choices

Choice (4)Response

a.

The total energy and total momentum are conserved

b.

The total energy and component of the total angular momentum are conserved

c.

The total energy and total angular momentum are conserved.

d.

Only the total energy is conserved

Question 2

Classical Mechanics

Appeared in Year: 2015

Question

MCQ▾

Four forces are given below in Cartesian and spherical polar coordinates.

(i)

(ii)

(iii)

(iv)

Where K is a constant. Identify the correct option.

Choices

Choice (4)Response

a.

(ii) and (iii) are conservative but (i) and (iv) are not

b.

(iii) and (iv) are conservation but (i) and (ii) are not

c.

(i) and (iii) are conservative but (ii) and (iv) are not

d.

(i) and (ii) are conservative but (iii) and (iv) are not

Question 3

Classical Mechanics

Appeared in Year: 2014

Question

MCQ▾

The recoil momentum of an atom is when it emits an infrared photon of wavelength , and it is when it emits a photon of visible wavelength . The ratio is –

Choices

Choice (4)Response

a.

b.

c.

d.

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