EM waves

jk1
Quiz by jk1, updated more than 1 year ago
jk1
Created by jk1 over 7 years ago
32
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Description

Quiz on EM waves, created by jk1 on 08/26/2014.

Resource summary

Question 1

Question
How many types of electromagnetic waves are there?
Answer
  • 7
  • 9
  • 6

Question 2

Question
All EM waves can be refracted, reflected and difracted
Answer
  • True
  • False

Question 3

Question
What can happen to materials that absorb EM radiation?
Answer
  • It explodes
  • It heats up
  • It melts
  • It disintegrates

Question 4

Question
What is the wave equation?
Answer
  • velocity= frequency X wavelength
  • frequency --------------- speed X distance
  • time X mass X velocity

Question 5

Question
Which Greek letter represents 'wavelength'?

Question 6

Question
Gamma rays destroy all living things in its path
Answer
  • True
  • False

Question 7

Question
What are Gamma rays released by?
Answer
  • Rocks
  • Living Things
  • Radioactive Material

Question 8

Question
Fibre Optic Broadband uses radio waves
Answer
  • True
  • False

Question 9

Question
What are the risks of UV light?
Answer
  • Cancer
  • Sunburn
  • Tanning

Question 10

Question
Radiotherapy uses microwaves to destroy cancerous cells
Answer
  • True
  • False
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