Download Physics Module Form 5 GCKL 2010 PDF

TitlePhysics Module Form 5 GCKL 2010
TagsWaves Refraction Wavelength Electromagnetic Radiation Interference (Wave Propagation)
File Size1.4 MB
Total Pages29
Document Text Contents
Page 29

Physics Module Form 5 GCKL 2010

29

 b) Which group does these two waves belong to?
Electromagnetic waves

c)  Name one other wave that has the same
 properties.
Radio waves / gamma rays / ultra violet /

visible light / infra red

d) Microwaves travel at a speed of 3.0 x 10
8
ms

-1
in a

vacuum and have a frequency of 15 x 10
10

Hz.

i) Calculate the wavelength of these
microwaves.

λ = v/f 

=3.0 x 10
8
ms

-1

15 x 10
10

Hz.

= 2.0 x 10
-3

 m.

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