JEE Advanced 2021 Full Test 3 Paper 2

PART – I

Physics

SECTION – A (One or More than one correct type)
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these four options is(are) correct.

Question : 6 of 54

Marks: +1, -0

A thin ring of linear mass density ' λ ' and radius 'R' having cross sectional area 'a' is rotating with angular speed ' ω '. If Y is young modulus of ring, then choose the correct option(s).

Kinetic energy of ring is πR3λω2
Tension in the ring is
λω2R2
2
Elastic potential energy stored in ring is
2πλ2ω4R5
Y.a
All of these

Validate

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