JEE Advanced 2021 Full Test 5 Paper 2

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded‐off to the second decimal place; e.g. XXXXX.XX).

Question : 13 of 54

Marks: +1, -0

Three identical springs each of force constant k have been joined to the three identical balls (each of mass m ), as shown in the figure which are in at the three vertices of an equilateral triangle. In the shown arrangement, each of the spring is in its natural length. What all three balls are simultaneously given small displacements of equal magnitude along the directions as shown in the figure, the oscillation frequency for the blocks will be

2π

√

βk

then β=

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