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AIIMS 2015
Exam
AIIMS
Year
2015
Subject
Physics
Chapter
Electromagnetic Waves

AIIMS 2015 · Physics · Electromagnetic Waves

The temperature of an object that emits electromagnetic radiation...

The temperature of an object that emits electromagnetic radiation must be

Options

  1. Ahigher than 0∘C0^{\circ} \mathrm{C}
  2. Bhigher than 0 K0 \mathrm{~K}
  3. Chigher than that of its surroundings
  4. Dhigh enough for it to glow

Correct answer

B. higher than 0 K0 \mathrm{~K}

Step-by-step solution

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