When light travels from one medium to another, then its
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → wavelength changes but frequency remains the same
When light travels from one medium to another:
- The speed of light changes due to change in refractive index.
- Frequency remains constant, as it is determined by the source.
- Wavelength changes according to $v = f \lambda$.
Wavelength changes but frequency remains the same