JEE Advanced 2021 Full Test 4 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 : 4 of 54

Marks: +1, -0

For the given figure, two blocks of equal mass m are connected by a light string that passes over a smooth pulley. The block A is connected by spring constant k. Initially spring is relaxed. Then, the block A is slowly pulled down a distance x and released. The magnitude of accelerations of the left and the right blocks immediately after releasing are a1 and a2, respectively.

a1=a2
a1=a2, if k≤
2mg
x
If a1=
k
m
x,a2=0
a1<a2, if k>
2mg
x

Validate

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