Electromagnetic Waves
Which of the following electromagnetic waves is used in medicine to destroy cancer cell?
Identify the type of waves which are produced by the following way and write one application for each: (i) Radioactive decay of the nucleus (ii) Rapid acceleration and decelerations of electrons in aerials (iii) Bombarding a metal target by high energy electrons.
Type of wave Application
(i) Gamma rays Treatment of tumors
(ii) Radio waves Radio and television communication systems
(iii) X-rays Study of crystals
Which of the following electromagnetic waves is used in medicine to destroy cancer cell?
A. wavelength of microwave is greater than that of ultraviolet rays. B. The wave length of infrared rays is lesser than that of ultraviolet rays. C. wavelength of microwave is lesser than that of ultraviolet rays D. Gamma rays has shortest wavelength in the electromagnetic spectrum. Choose the correct option from the given options.
If $$v_{g}, v_{x}$$, and $$v_{m}$$ are speeds of gamma rays, $$X$$ rays, and microwaves respectively in vacuum, then:
Name the rays or waves of highest frequency.
Name the rays or waves produced by the changes in the nucleus of an atom.
The most energetic electromagnetic radiations are:
What is the range of the wavelength of the following electromagnetic wave : Gamma rays ?
Give one use of gamma rays .
Which part of electromagnetic spectrum has largest penetrating power?
Which of the following has the least wavelength? Gamma rays, blue light, infrared radiation and ultraviolet, radiation.