Advertisements
Advertisements
प्रश्न
Assertion (A): Ultraviolet radiations is scattered more as compared to the microwave radiations.
Reason (R): Wavelength of ultraviolet radiation is more than the wavelength of microwave radiation.
पर्याय
Both A and Rare true.
A is true but R is false.
A is false but R is true.
Both A and Rare false.
Advertisements
उत्तर
A is true but R is false.
Explanation: Because UV radiation has shorter wavelengths than microwave radiation, it scatters more.
APPEARS IN
संबंधित प्रश्न
Why are microwaves considered suitable for radar systems used in aircraft navigation?
What is the range of the wavelength of the following electromagnetic waves?
(a) Infrared.
What do you understand by the invisible spectrum?
An electromagnetic wave has a frequency of 500 MHz and a wavelength of 60 cm Calculate the velocity of the wave.
How are X-rays produced?
Which part of electromagnetic spectrum is used in radar systems?
Find the cutoff wavelength for the continuous X-rays coming from an X-ray tube operating at 30 kV.
(Use Planck constant h = 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Give one use of electromagnetic radiations in Infrared radiation.
If λv, λx and λm Am represents the wavelength of visible light, x-ray and microwaves respectively, then ______.
What is the wavelength range of electromagnetic radiation used in radio broadcast?
