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NEET
Exam
NEET
Subject
Physics
Chapter
Thermal Properties of Matter

NEET · Physics · Thermal Properties of Matter

What is the rise in temperature of the 8.0 kg small aluminum block...

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{{g}^{-1}} K−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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