Advertisements
Advertisements
प्रश्न
Name the parts of the electromagnetic spectrum which is
used as a diagnostic tool in medicine.
Write in brief, how these waves can be produced.
Advertisements
उत्तर
X rays are used as a diagnostic tool in medicine.
These rays are produced when high energy electrons are stopped suddenly on a metal of high atomic number.
APPEARS IN
संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is suitable for radar system used in aircraft navigation.
Name the high energetic invisible electromagnetic waves which help in the study of the structure of crystals
State an additional use of the X-rays waves
Name the waves used for taking photographs in dark.
Consider a photon of a continuous X-ray coming from a Coolidge tube. Its energy comes from
The electron beam in a colour TV is accelerated through 32 kV and then strikes the screen. What is the wavelength of the most energetic X-ray photon?
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.
Answer briefly.
What is a carrier wave?
Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.
The ratio of contributions made by the electric field and magnetic field components to the intensity of an EM wave is ______.
