Advertisements
Advertisements
Question
State Moseley's law
Solution
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
RELATED QUESTIONS
To which part of electromagnetic spectrum does a wave of frequency 3 × 1013 Hz belong?
To which part of the electromagnetic spectrum does a wave of frequency 5 × 1011 Hz belong?
A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?
Give a reason for the following:
Long-distance radio broadcasts use short-wave bands. Why?
Arrange the following radiations in the order of their increasing wavelength:
X-rays, infrared rays, ratio waves, gamma ray and microwaves.
State three properties of ultra-violet radiation similar to visible light.
If the Earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now? Explain.
An e.m. wave exerts pressure on the surface on which it is incident. Justify.
X-rays, gamma rays and microwaves travelling in a vacuum have ______.
Ozone layer above the earth's atmosphere will
