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

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