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Discuss electromagnetic spectrum....

Discuss electromagnetic spectrum.

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Explore conceptually related problems

a. What is an electromagnetic spectrum ? b. How the electromagnetic waves are arranged ? c. Mention some of the properties of E.M waves.

Discuss briefly the experiment conducted by Hertz to produce and detect electromagnetic spectrum.

List the radiations present in electromagnetic spectrum.

The terminology of different parts of the electromagnetic spectrum is given in the text. Use the formula E= h upsilon (for energy of a quantum of radiation : photon) and obtain the photon energy in units of eV for different parts of the electromagnetic spectrum. In what way are the different scales of photon energies that you obtain related to the sources of electromagnetic radiation ?

a. The small ozone layer on the top of the stratosphere is crucial for human survival. Why ? b. Where is the position of UV radiation in the electromagnetic spectrum ? c. Can you convert UV to visible radiation ? Explain. d. Which radiation is adjacent to UV to the higher frequency side of the electromagnetic spectrum ?

Use the formula lambda_(m)T=0.29 cm K to obtain the characteristic temperature ranges for different parts of the electromagnetic spectrum. What do the numbers that you obtain tell you ?

An electron is accelerated through a potential difference of 100V. What is the de Broglie wavelength associated with it ? To which part of the electromagnetic spectrum does this value of wavelength correspond ?