A.in ultraviolet region
B.infrared region
C.with equal temperature and wavelength
D.in radio frequency range
Related Mcqs:
- Most of the radiation emitted by a human body is in the form of __________.
- The emissivity of a body will be equal to absorptivity when
- The statement that the emissivity and absorptivity of a surface is surrounded by its own temperature are the same for both monochromatic and total radiation, is known as
- Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called __________.
- Solar radiation reaches the earth’s surface as __________.
- The earth emits radiation with greatest intensity at ________________.
- The earth’s atmospheric window is in the __________.
- Longest wavelength
- Which of the following has a wavelength shorter than that of violet light?
- In vibration analysis ‘Beat’ frequency is