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Which of the following graph shows the correct variation in intensity of heat radiations by black body and frequency at a fixed temperature:
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Important Questions on Heat Transfer
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JEE Main/Advance
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JEE Main/Advance
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JEE Main/Advance
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HARD
JEE Main/Advance
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A sphere of ice at having initial radius is placed in an environment having ambient temperature . The ice melts uniformly, such that shape remains spherical. After a time '' the radius of the sphere has reduced to . Which graph best depicts :
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MEDIUM
JEE Main/Advance
IMPORTANT
Three bodies and have equal surface area and thermal emissivities in the ratio . All the three bodies are radiating at same rate. Their wavelengths corresponding to maximum intensity are and respectively and their temperatures are and on kelvin scale, then select the incorrect statement
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JEE Main/Advance
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JEE Main/Advance
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