Thermodynamics-Measurement of Temperature (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 7 - 7 of 7

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Question number: 7

» Thermodynamics » Measurement of Temperature

MCQ▾

Question

A 10 kW drilling machine is used to drill a hole in a metal block of mass 15 kg. Assuming that 30 % power is lost in the machine, calculate the rise in temperature of the block in 4 minutes. Specific heat capacity of metal = 0.4 Jg-1 K-1.

Choices

Choice (4) Response

a.

2500C

b.

3000C

c.

3200C

d.

2800C

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