Question

directions: match the terms with the correct phrase below. write the letter of the correct term in the blank at the left of the phrase.
a. compressional wave b. diffraction c. electromagnetic spectrum
d. electromagnetic wave e. frequency f. infrared waves
g. intensity h. law of reflection i. pitch
j. refraction k. reverberation l. transverse wave
m. ultraviolet waves n. wave o. wavelength
____ 1. the complete range of electromagnetic wave frequencies and wavelengths
____ 2. waves with wavelengths between one thousandth and 700 billionths of a meter
____ 3. causes particles in matter to move back and forth along the same direction in which the wave travels
____ 4. the distance between one point on a wave and the nearest point moving with the same speed and direction
____ 5. the angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with the normal

Explanation:

1. The electromagnetic spectrum is the complete range of electromagnetic - wave frequencies and wavelengths.
2. Infrared waves have wavelengths between one - thousandth and 700 billionths of a meter.
3. Compressional waves cause particles in matter to move back and forth along the same direction in which the wave travels.
4. Wavelength is the distance between one point on a wave and the nearest point moving with the same speed and direction.
5. The law of reflection states that the angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with the normal.

Answer:

1. c. electromagnetic spectrum
2. f. infrared waves
3. a. compressional wave
4. o. wavelength
5. h. law of reflection