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Section B

Answer all questions
Each question carries 2 marks.
Answer in two or three sentences.

What are the assumptions of Galilean transformations ?

State D alembert’s principle ?

State Newton’s law of action and reaction.

What is the negative results of Michelson-Morley experiment.
Explain conservation of energy ಕೆ a particle.

State postulates of special theory of relativity.

Explain length contraction.

Section C .

Answer any five questions.
Each question carries 4 marks.
Answer in one paragraph.

Explain the advantages of lagrangian dynamics over Newtonian approach.

Deduce an expression for escape velocity.

Explain validity of Newton’s law.

State and deduce Kepler ’s second law of planetary motion.
Explain inertial frames of reference with example.

What you mean by ether hypothesis in relativity.

Explain twin paradox phenomena.

(നമുടെ;

(5 x 4 = 20