What is the wave equation?

velocity= frequency X wavelength

frequency --------------- speed X distance

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EM waves

jk1 10 questions

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1How many types of electromagnetic waves are there?
1. A7
2. B9
3. C6
2All EM waves can be refracted, reflected and difracted
1. ATrue
2. BFalse
3What can happen to materials that absorb EM radiation?
1. AIt explodes
2. BIt heats up
3. CIt melts
4. DIt disintegrates
4What is the wave equation?
1. Avelocity= frequency X wavelength
2. Bfrequency
  ---------------
  speed X distance
3. Ctime X mass X velocity
5Which Greek letter represents 'wavelength'?
1. Alamda
2. Btheta
3. Cdelta
6Gamma rays destroy all living things in its path
1. ATrue
2. BFalse
7What are Gamma rays released by?
1. ARocks
2. BLiving Things
3. CRadioactive Material
8Fibre Optic Broadband uses radio waves
1. ATrue
2. BFalse
9What are the risks of UV light?
1. ACancer
2. BSunburn
3. CTanning
10Radiotherapy uses microwaves to destroy cancerous cells
1. ATrue
2. BFalse

Description: Quiz on EM waves, created by jk1 on 26/08/2014.
Author: jk1
Language: English
Views: 79
Tags: radio waves gamma rays radioactivity tanning microwaves spectrum uv light
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