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asked in NEET by (2.1k points)

A rod of length l and radius r is jointed to a rod of length l/2 and radius r/2 of same material . The free end of small rod is fixed to a rigid base and the free end of  larger rod  is given twist of 0° the twist angle at a joint will be 

A)Ø/4

B)Ø/2

C)5Ø/6

D)8Ø/9

1 Answer

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answered by (61.3k points)

Answer is option (D) 8Ø/9

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