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Front

What part of the electromagnetic spectrum is visible to the human eye?

Back

Only a small part.

Front

What does the term 'digital' refer to in data representation?

Back

Data expressed as single digits, usually 0 and 1.

Front

How is 'analog' data characterized?

Back

Smooth and continuous data.

Front

What does the amplitude of a wave represent?

Back

The height of the wave, indicating the strength or intensity.

Front

What type of waves are used by Police Officers to test the speed of vehicles with RADAR?

Back

Microwaves.

Front

What is the range of wavelengths for visible light in the electromagnetic spectrum?

Back

Approximately 400 to 700 nanometers.

Front

What is the primary difference between digital and analog signals?

Back

Digital signals are discrete, while analog signals are continuous.

Front

What is the significance of frequency in wave behavior?

Back

Frequency determines the pitch of sound and the color of light.

Front

What is the formula for calculating the speed of a wave?

Back

Speed = Frequency x Wavelength.

Front

What are the main components of the electromagnetic spectrum?

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.