Electromagnetic wave and Light Reflection
hossam samir Electromagnetic wave and Light Reflection
Explain what an electromagnetic wave is.
What are the characteristics of an electromagnetic wave?
What is the name of the type of electromagnetic radiation that has the lowest frequencies?
Radio waves
Microwaves
Gamma rays
Ultrasonic waves
What is light reflection?
Light bending as it passes through a medium
Light bouncing off a surface
Light splitting into different colors
Light passing through a transparent object
When light reflects off a smooth surface, the angle of incidence is equal to _____.
The angle of reflection
90 degrees
180 degrees
0 degrees
Which of the following colors of light is NOT part of the visible spectrum?
Red
Yellow
Infrared
Green
When light passes from air into water, it _____.
Bends away from the normal
Bends towards the normal
Does not bend
Splits into different colors
What is the normal in relation to a plan mirror?
The line perpendicular to the surface of the mirror
The line parallel to the surface of the mirror
The line at a 45-degree angle to the surface of the mirror
The line at a 90-degree angle to the surface of the mirror
A light beam falls on a horizontal plane mirror, as shown in the figure. Calculate the angle θ.
70
110
90
35
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