Lessons

Eamcet Physics
1 st Year : Unit 8.1 ( Thermodynamics ) - Calorimetry And Joules Law

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Q.

A steel drill is making 180 revolutions per minute, under a constant torque of 5 N-m. If it drills a hole in 7 s. in a steel block of mass 600 gm, rise in temperature of the block is (s = 0.1 cal/gm/ºC)

View Answer

Correct choice: A

Explanation:

None
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