If a light ray travels from denser to rarer medium. Which of the following statement/s are correct?
(A) Energy increases
(B) Frequency remain same
(C) Phase changes by 90°
(D) Velocity increases
(E) Wavelength decreases
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (B) and (D) only
(B) Frequency does not change when light moves from one medium to another.
(D) Light travel faster in rarer medium because the refractive index decreases.