question_answer

Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.

A) up                   

B)          low           

C) Down              

D)          none of these