Advertisements
Advertisements
Question
Identify the electromagnetic wave whose wavelength range is from about 10-12 m to about 10-8 m. Write one use of this.
Advertisements
Solution
Electromagnetic waves of wavelengths range 10-12 m < λ < 10-8 m are known as X-rays. These are utilised in medicine as diagnostic instruments, as well as in scientific research and crystallography.
APPEARS IN
RELATED QUESTIONS
Identify the part of the electromagnetic spectrum which is suitable for radar system used in aircraft navigation.
Name the region beyond the red end of the spectrum.
An electromagnetic wave has a frequency of 500 MHz and a wavelength of 60 cm Calculate the velocity of the wave.
The wavelength of X-rays is 0.01 Å. Calculate its frequency. State the assumption made, if any.
The X-ray beam emerging from an X-ray tube
50% of the X-ray coming from a Coolidge tube is able to pass through a 0.1 mm thick aluminium foil. The potential difference between the target and the filament is increased. The thickness of the aluminium foil that will allow 50% of the X-ray to pass through will be
The distance between the cathode (filament) and the target in an X-ray tube is 1.5 m. If the cutoff wavelength is 30 pm, find the electric field between the cathode and the target.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Calculate the shortest wavelength of electromagnetic radiation present in Balmer series of hydrogen spectrum.
The area to be covered for T.V telecast is doubled then the height of transmitting antenna (T.V tower) will have to be:-
Which is the correct ascending order of wavelengths?
