Question bank/JEE Main/Physics

One end of a spring is fixed to the ceiling and other end is
attached to a block. The block is released when spring is relaxed. The
product of time period and amplitude is 8 S.I. units. If spring is cut
in two equal parts and the two springs are attached to the block as
shown in figure. The block is released when both springs are relaxed. If
the product of time period and amplitude in S.I. units is x, then find
the value of x.

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In first case,
[IMAGE] In second case,

Source: Grass-G / P-09 Physics paper 26 October.docx