Question

The diagram shows the electromagnetic spectrum.


1.

The diagram shows the electromagnetic spectrum. 

image.png

 Identify the types of electromagnetic radiation (EMR) with the following

 characteristics.

 (a) highest frequency

 radio waves

 microwaves

 infrared

 visible

 ultraviolet

 X rays

 gamma rays

 (b) highest energy

 radio waves

 microwaves

 infrared

 visible

 ultraviolet

 X rays

 gamma rays

 (c) longest wavelength

 radio waves

 microwaves

 infrared

 visible

 ultraviolet

 X rays

 gamma rays


2.

 Calculate the energy (in joules) of a photon with a wavelength of 2.93x10 nm.  


3 0
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Answer #1

The energy in joule can be calculated only when wavelength is given in metre. Therefore firstly we convert the wavelength in metre and then we can calculate the energy in joule.

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