Advertisements
Advertisements
प्रश्न
Name the electromagnetic radiation that has been used in obtaining the image below.
Advertisements
उत्तर
X rays
APPEARS IN
संबंधित प्रश्न
How are infrared waves produced?
Name the waves used for taking photographs in dark.
If the current in the circuit for heating the filament is increased, the cutoff wavelength
Identify the part of the electromagnetic spectrum used in (i) radar and (ii) eye surgery. Write their frequency range.
Answer briefly.
Name the most harmful radiation entering the Earth's atmosphere from outer space.
X-rays, gamma rays and microwaves travelling in a vacuum have ______.
Following QN ∴ 14, the radiation force on the roof will be
Ozone layer above the earth's atmosphere will
The ratio of contributions made by the electric field and magnetic field components to the intensity of an EM wave is ______.
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.
