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Heat and Thermodynamics question

2023 · 6 Apr · Shift 2 · Q56
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  5. /2023 · 6 Apr · Shift 2 · Q56

Heat and Thermodynamics question

2023 · 6 Apr · Shift 2 · Q56

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
A body cools in 7 minutes from 60∘C60^{\circ} \mathrm{C}60∘C to 40∘C40^{\circ} \mathrm{C}40∘C. The temperature of the surrounding is 10∘C10^{\circ} \mathrm{C}10∘C. The temperature of the body after the next 7 minutes will be:
  1. A
    34∘C34^{\circ} \mathrm{C}34∘C
  2. B
    28∘C28^{\circ} \mathrm{C}28∘C
  3. C
    32∘C32^{\circ} \mathrm{C}32∘C
  4. D
    30∘C30^{\circ} \mathrm{C}30∘C
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