GATE (Graduate Aptitude Test in Engineering) Physics: Questions 551 - 553 of 659

Access detailed explanations (illustrated with images and videos) to 659 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 551

Appeared in Year: 2007

Question

MCQ▾

Three particles of mass each situated at and respectively are connected by two springs of spring constant and un – stretched length . The system is free to oscillate only in one dimension along the straight line joined all the tree particles. The Lagrangian of the system is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 552

Appeared in Year: 2008

Question

MCQ▾

A heavy nucleus is found to contain more neutrons than protons. This fact is related to which one of the following statements?

Choices

Choice (4)Response

a.

Protons are unstable, so their number in a nucleus diminishes

b.

The nuclear force between neutrons is stronger than that between protons

c.

The nuclear force between protons is of a shorter range than those between neutrons, so that a smaller number of protons are held together by the nuclear force.

d.

It costs more energy to add a proton to a (heavy) nucleus that a neutron because of the Coulomb repulsion between protons.

Question 553

Appeared in Year: 2008

Question

MCQ▾

The primitive translation vectors of the body centered cubic lattice are and . The primitive translation vector and of the reciprocal lattice are –

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: