A circular metallic ring of radius R has a small gap of width d . The coefficient of thermal expansion of the metal is α in appropriate units. If we increase the temperature of the ring by a amount Δ T , then width of the gap -

Question

A circular metallic ring of radius R has a small gap of width d . The coefficient of thermal expansion of the metal is α in appropriate units. If we increase the temperature of the ring by a amount Δ T , then width of the gap -, Will increases by an amount d α Δ T, Will not change, Will increases by an amojnt ( 2 π R − d ) α Δ T, Will decrease by an amount d α Δ T

MARKS App · Accepted Answer

Will increases by an amount d α Δ T

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