KcetWave OpticsKCET 2017MCQ+1 / -02017According to Huygens' principle, during refraction of light from air to a denser mediumA Wavelength decreases but speed increasesBWavelength increases but speed decreasesCWavelength and speed increasesDWavelength and speed decreasesCheck AnswerClear SelectionReveal AnswerShow Explanation
