MEDIUM
JEE Main/Advance
IMPORTANT
Earn 100

The coefficient of linear expansion of a metal rod does not depend upon

50% studentsanswered this correctly

Important Questions on Thermal Properties of Matter

EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 7
The ends of a metal rod are kept at temperatures θ1 and θ2 with θ2>θ1 The rate of flow of heat along the rod is directly proportional to
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 8
Two bodies A and B have thermal emissivities of 0.01 and 0.81, respectively. The outer surface areas of the two bodies are the same. The two bodies emit total radiant power at the same rate. The wavelength λB corresponding to maximum spectral radiancy in the radiation from B shifted from the wavelength corresponding to maximum spectral radiancy in the radiation from A by 1.00 μm. If the temperature of A is 5802 K,
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 9
Which of the following statements are correct?
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 10
A spherical black body of radius n radiates power p and its rate of cooling is R. Then
HARD
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 11
The solar constant for a planet is S. The surface temperature of the sun is T K. The sun subtends an angle θ at the planet,
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 12
A heated body emits radiation which has maximum intensity near the wavelength λ0. The emissivity of its material is 0.75. The absolute temperature of the body is doubled
HARD
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 14
A power source of power P is placed at centre of a spherical shell of radius R. Temperature of surface of shell is T0. Now shell is covered by another shell of radius 2R, and as a result temperature of inner shell in steady state becomes T1. Considering all bodies to behave like a black body, then,
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 15

Two rods A and B shown in figure have identical dimensions. They are in contact with two heat baths maintained at 50°C and 10°C respectively. Temperature of junction is 20°C

Question Image