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NEETPhysicsThermal Properties of Matter

What is the rise in temperature of the 8.0 kg small aluminum block after 2.5 minutes of drilling with a 10 kW machine, assuming that 50% of the power is lost to heating the machine and the surroundings? (Specific heat of aluminum = 0.91 J g ⁻¹ K ⁻¹ )

Options

  1. A142°C
  2. B103°C
  3. C133°C
  4. D66°C

Correct answer

B. 103°C

Step-by-step solution

Correct Option is : (B) 103°C

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