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 : 2 of 54

Marks: +1, -0

To study a relation of frequency and length of a given wire under constant tension using a sonometer, let you are performing an experiment in your school lab. Now, choose the correct options.

Tuning fork of known frequency is touched to wire for observing resonance
Vibrations of wire are observed by paper riders
Frequency of vibration of wire is f=
1
LD
√(
T
πρ
) (where, L= length of wire between bridges, D= diameter and ρ= density of wire )
Frequency of tuning forks remains constant with temperature of lab

Validate

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