Wave Properties
What is the term for the distance between two corresponding points on a wave, like crest to crest or trough to trough?
Wavelength
What color would a red flower appear when viewed through a red filter?
Red
What type of wave is sound?
Mechanical
What type of wave on the electromagnetic spectrum has the highest energy?
Gamma Rays
What is a key benefit of using digital signals over analog signals?
Reduced signal loss over long distances
What characteristic of a wave determines how loud a sound is or how bright a light is?
Amplitude
If all colors of light are reflected by an object, what color will it appear?
White
What phenomenon causes echoes?
Reflection
What type of wave is used for communication in cell phones?
Radio Waves
What material is commonly used in fiber optic cables to transmit information?
Glass or plastic
Mechanical waves cannot travel through what?
Empty space
What happens to light when it bends as it passes from air to water?
Refraction
What medium allows sound to travel fastest: air, water, or steel?
Steel
Which wave has a longer wavelength, microwaves or ultraviolet waves?
Microwaves
In a wireless computer network, what type of waves transmit data?
Radio waves
In what type of medium does a mechanical wave travel fastest?
Solid
What is the color of an object determined by?
The light it reflects
What happens to the speed of sound when it moves from air to water?
It increases
What is the relationship between wavelength and frequency?
As wavelength increases, frequency decreases
What method converts information into binary code for transmission in digital signals?
Digitalization
When a wave moves from one medium to another and changes speed, what phenomenon occurs?
Refraction
What factor determines the brightness of light?
Amplitude
What property of sound waves affects pitch?
Frequency
What type of wave allows us to see visible light?
Visible light waves
What advantage does fiber optic cable have over other types of cables for long-distance communication?
It transmits large amounts of information with minimal signal loss