Author Question: A dolphin perceives greater detail by emitting sounds of A) lower frequency. B) higher ... (Read 134 times)

Chelseaamend · **on:** Jul 29, 2018

A dolphin perceives greater detail by emitting sounds of

A) lower frequency.
B) higher frequency.
C) greater intensity.
D) greater speed.
E) none of the above

Question 2

A razor blade nicely shows diffraction fringes when illuminated with

A) ultraviolet light.
B) monochromatic light.
C) sunlight.
D) all of the above
E) none of the above