Question

When light goes from one medium to another the characteristics that
remain and uneffect is its
a) speed
b) direction of light ray
c) wavelength
d) frequency
Answer is
D) frequency​

Answer 1

Answer:

frequency

Explanation:

Frequency. Frequency is the characteristic of the source while wavelength is the characteristic of the medium. When monochromatic light travels from one medium to another, its speed changes, so its wavelength (λ=c/v) changes but frequency remains unchanged.

Answer 2

Answer:

the answer is D-frequency