A series of thought-provoking multiple-choice questions from the University of Maryland on the topic of sound and acoustics. One question pertains to the acoustics of a furnished room with two speakers; demands a basic understanding of...

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 3 of 4 in the series titled "Electromagnetic Spectrum."

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 4 of 4 in the series titled "Electromagnetic Spectrum."

This lesson will describe how the doppler effect is created by moving sound waves. It is 2 of 4 in the series titled "Doppler Effect."

This lesson will describe how the doppler effect is created by moving sound waves. It is 3 of 4 in the series titled "Doppler Effect."