Dual Nature of Matter and Radiation-Dual Nature of Radiation [JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics]: Questions 1 - 1 of 1
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Question 1
Appeared in Year: 2016
Question MCQ▾
A metal is heated in a furnace where a sensor is kept above the metal surface to read the power radiated by the metal. The sensor has a scale that displays , where is a constant. When the metal surface is at a temperature of , the sensor shows a value . Assume that the emissivity of the metallic surface remains constant. What is the value displayed by the sensor when the temperature of the metal surface is raised to ?
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 | |
b. | 9 | |
c. | 7 | |
d. | 11 |