Advertisements
Advertisements
प्रश्न
State Moseley's law
Advertisements
उत्तर
Moseley’s Law: The law states that the frequency of a spectral line in X-ray spectrum varies as the square of the atomic number of the element emitting it.
APPEARS IN
संबंधित प्रश्न
Which radiation is used for satellite communication?
Name the waves produced by the changes in the nucleus of an atom.
Can X-rays be polarised?
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Name the scientist who discovered Ultraviolet rays
Name the radiation of the electromagnetic spectrum which is used for the following:
For taking photographs of the sky during the night and foggy conditions . Give the frequency range
Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.
A car is moving towards a high cliff. The car driver sounds a horn of frequency f. The reflected sound heard by the driver has a frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units, will be:
For television broadcasting, the frequency employed is normally
