Advertisements
Advertisements
Question
To which part of the electromagnetic spectrum does a wave of frequency 5 × 1019 Hz belong?
Advertisements
Solution
The frequency 5×1019 Hz belongs to the gamma region of the electromagnetic spectrum.
APPEARS IN
RELATED QUESTIONS
Which radiation is used for satellite communication?
What is the range of the wavelength of the following electromagnetic waves?
(a) Ultraviolet
Name the region beyond the red end of the spectrum.
Name two electromagnetic waves of frequency smaller than that of violet light. State one use of each.
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
50% of the X-rays coming from a Coolidge tube are able to pass through a 0.1 mm thick aluminium foil. If the potential difference between the target and the filament is increased, the fraction of the X-rays passing through the same foil will be
Name the scientist who discovered radio waves
State three properties of infrared radiations similar to that of visible light.
Answer briefly.
What are radio waves?
Identify the electromagnetic radiation and write its wavelength range, which is used to kill germs in water purified. Name the two sources of these radiations.
