WBJEE 2021 Physics and Chemistry Solved Paper

Category II (Q31 to Q 35)

Carry 2 marks each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ½ mark will be deducted

Question : 32 of 80

Marks: +1, -0

A uniform rod of length L pivoted at one end P is freely rotated in a horizontal plane with an angular velocity ω about a vertical axis passing through P. If the temperature of the system is increased by ΔT, angular velocity becomes

. If coefficient of linear expansion of the rod is α(α<<1), then Δ T will be

1
α
1
2α
1
4α
α

Validate

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