Front

What does the 'am' stand for in AM radio?

Back

Amplitude Modulation

Front

What does 'digital' mean in the context of data representation?

Back

Data expressed as single digits, usually 0 and 1.

Front

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

Back

Only a small part.

Front

What does the 'FM' stand for in FM radio?

Back

Frequency Modulation.

Front

What is being measured when referring to amplitude in a wave?

Back

The height of the wave, which indicates the strength of the signal.

Front

What is the primary difference between AM and FM radio?

Back

AM varies the amplitude of the signal, while FM varies the frequency.

Front

What is the range of the electromagnetic spectrum?

Back

It includes all types of electromagnetic radiation, from radio waves to gamma rays.

Front

How does amplitude modulation affect sound quality?

Back

AM radio generally has lower sound quality compared to FM due to susceptibility to noise.

Front

What is the significance of the frequency in FM radio?

Back

Frequency determines the pitch of the sound and the clarity of the signal.

Front

What are the two main types of modulation used in radio broadcasting?

Back

Amplitude Modulation (AM) and Frequency Modulation (FM).