Physics, asked by nagakalakoppalli, 10 months ago

a grid pendulum is made up of 5 iron rods and 4 brass rods if the length of each brass rod is 50 cm the length of iron rod is

Answers

Answered by vmbashkalp2980

1

Explanation:

Total change in lengths of the brass and iron rods must be same with equal change in temperature.

Hence 3l

iron

α

iron

Δθ=4l

brass

α

brass

Δθ

⟹l

iron

=2l

brass

=100cm

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