1. What is true about X-rays and microwaves?

Question

a. X-rays have greater speed than microwaves.
b. X-rays have greater amplitude than microwaves.
c. X-rays have greater frequency than microwaves.
d. X-rays have greater wavelength than microwaves.

2. The wavelength of a longitudinal wave is the distance from,
a. compression to rarefaction.
b. compression to compression.
c. crest to trough.
d. crest to crest.

3. What is one reason sound travels faster in liquid water than in air?
a. Air molecules are less elastic than liquid water molecules because air molecules have weaker attractions.
b. Air molecules are more elastic than liquid water molecules because air molecules have weaker attractions.
c. Air molecules are more elastic than liquid water molecules because air molecules have stronger attractions.
d. Air molecules are less elastic than liquid water molecules because air molecules have stronger attractions.

1. c
2. a
3. d

Answer 1

Correct!