MHT CET 2022 Physics question
Two massless springs of spring constant and are connected one after the other forming a single chain, suspended vertically and certain mass is attached to the free end. If '' and '' are their respective extensions and 'f' is their stretching force, the total extension produced is
Answer: (D)
Solution
In a series chain the same force acts on each spring (the springs are massless). Extensions: and . Total extension ,
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