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Thermal Properties of Matter

JEE Main level, single correct, medium

124 of 126

Question 124 of 126

The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by

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Answer: (D) Wien's law

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JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

Thermal Properties of MatterA black body at temperature $T_1 = 300\,\text{K}$ radiates power $81\,\text{W}$ . If its temperature is raised to $T_2 = 600\,\text{K}$ , the radiated power is (in W):
Thermal Properties of MatterThe efficiency of a Carnot engine operating between $27^\circ\text{C}$ and $327^\circ\text{C}$ is:
Thermal Properties of MatterThe temperature of a body in air falls from $40^{\circ} \mathrm{C}$ to $24^{\circ} \mathrm{C}$ in 4 minutes. The temperature of the air is $16^{\circ} \mathrm{C}$ . The temperature of the body in the next 4 minutes will be:
Thermal Properties of MatterWhich of the following figure represents the relation between Celsius and Fahrenheit temperatures ?
Thermal Properties of MatterOn celcius scale the temperature of body increases by $40^{\circ} \mathrm{C}$ . The increase in temperature on Fahrenheit scale is :
Thermal Properties of MatterOn a temperature scale ' $X$ ', the boiling point of water is $65^{\circ}X$ and the freezing point is $-15^{\circ}X$ . Assuming that the $X$ scale is linear. The equivalent temperature corresponding to $-95^{\circ}X$ on the Fahrenheit scale would be

JEE Main Physics practice question on Thermal Properties of Matter (Radiation), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.