Advertisements
Advertisements
Question
Name the radiation of the electromagnetic spectrum which is used for the following:
To photograph internal parts of the human body and Give the frequency range
Advertisements
Solution
X-Rays (1016 to 1019)Hz
APPEARS IN
RELATED QUESTIONS
What is the range of the wavelength of the following electromagnetic waves?
(a) Infrared.
Name the region beyond the violet end of the spectrum called.
When a Coolidge tube is operated for some time it becomes hot. Where does the heat come from?
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
If the operating potential in an X-ray tube is increased by 1%, by what percentage does the cutoff wavelength decrease?
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
The distance between the cathode (filament) and the target in an X-ray tube is 1.5 m. If the cutoff wavelength is 30 pm, find the electric field between the cathode and the target.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Arrange the following electromagnetic waves in increasing order of their frequencies (i.e. begin with the lowest frequency):
Visible light, y rays, X rays, microwaves, radio waves, infrared radiations, and ultraviolet radiation.
Answer briefly.
Does an ordinary electric lamp emit EM waves?
Calculate the wavelength of a microwave of a frequency of 8.0 GHz.
Electromagnetic waves with wavelength
- λ1 is used in satellite communication.
- λ2 is used to kill germs in water purifies.
- λ3 is used to detect leakage of oil in underground pipelines.
- λ4 is used to improve visibility in runways during fog and mist conditions.
- Identify and name the part of electromagnetic spectrum to which these radiations belong.
- Arrange these wavelengths in ascending order of their magnitude.
- Write one more application of each.
