Advertisements
Advertisements
प्रश्न
Name two electromagnetic waves of frequency smaller than that of violet light. State one use of each.
Advertisements
उत्तर
1) Ultraviolet radiations - 100 Å to 4000 Å
Use: For detecting purity of gems, eggs, ghee, etc.
2) X-rays - 0.1 Å to 100 Å
Use: For detecting fracture in bones, teeth, etc.
संबंधित प्रश्न
Name the high energetic invisible electromagnetic waves which help in the study of the structure of crystals
Which radiation is used for satellite communication?
What is the range of the wavelength of the following electromagnetic waves?
(a) Gamma rays.
Consider a photon of continuous X-ray and a photon of characteristic X-ray of the same wavelength. Which of the following is/are different for the two photons?
Identify the part of the electromagnetic spectrum used in
(i) radar and
(ii) eye surgery. Write their frequency range.
Name any two electromagnetic waves which have a frequency higher than that of violet light. State one use of each.
State three properties of infrared radiations similar to that of visible light.
Give one use of electromagnetic radiations in Infrared radiation.
Answer briefly.
What are radio waves?
Which is the correct ascending order of wavelengths?
