Solutions.
Electromagnetic waves vary in? correct answers wavelength and frequency
To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave
and its what? correct answers wavelength
Light acts like what? correct answers Both a wave and a particle
Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light
is? correct answers A stream of particles.
Photons travel outward from a light bulb in what direction? correct answers All directions
Infrared rays have a shorter wavelength than? correct answers Radar waves
The full range of frequencies of electromagnetic radiation is called? correct answers The
Electromagnetic Spectrum
The waves witht eh longest wavelengths in the electromagnetic spectrum are? correct answers
Radio waves
The visible light spectrum ranges between? correct answers Infrared rays and ultraviolet rays
Cellular telephones utilize? correct answers Microwaves
A translucent material..... correct answers scatters some light
In order of increasing light-transmitting capabilities of materials, which is the correct sequence?
correct answers Opaque-->Translucent-->Transparent
Which of the following occurs as a light wave bends when it passes from one medium into
another? correct answers Refraction
For reflection off a plane mirror, the angle of incidence? correct answers Equals the angle of
Reflection
What is the angle of reflection? correct answers The angle that the reflected ray makes with a
line drawn perpendicular to the reflecting surface
The law of reflection states that if the angle of incidence is 45 degrees, the angle of reflection is?
correct answers 45 degrees
A miror with a flat surface is a? correct answers Plane mirror