Heat Radiation MCQs : This section focuses on the "Heat Radiation". These Multiple Choice Questions (MCQs) should be practiced to improve the Heat Radiation skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
____________ gives the relationship between wavelength and temperature.
A. Fourier's law
B. Wein's law
C. Newton law
D. Plank's law
Question 2
According to ___________, the wavelength of the emitted radiation is inversely proportional to its frequency.
A. Fourier's law
B. Pascal law
C. Newton law
D. Plank's law
Question 3
Can a good insulator prevent radiation?
A. TRUE
B. FALSE
Question 4
In thermal radiation, thermal energy is converted to ___________________
A. kinetic energy
B. potential energy
C. electromagnetic energy
D. thermal energy
Question 5
The emissivity of radiation is between__________
A. 0 and 1
B. 0 and 10
C. 0 and 15
D. 0 and 11
Question 6
What are factors of thermal radiation?
A. Time
B. Temperature
C. Volume
D. Pressure
Question 7
What is the wavelength of thermal radiation?
A. 0.1 μm to 1000 μm.
B. 1 μm to 100 μm.
C. 0.01 μm to 100 μm.
D. 0.1 μm to 100 μm.
Question 8
Which is the fastest mode of heat transfer?
A. Conduction
B. Convection
C. Radiation
D. Both conduction and convection
Question 9
Which law governs the thermal radiation?
A. Fourier's law
B. Pascal law
C. Newton law
D. Stefan-Boltzmann Law
Question 10
Thermal radiation is the emission of electromagnetic waves from all matter that has a temperature greater than absolute zero.
A. True
B. False