A) frequency increases and speed decreases

B) frequency is the same but the wavelength is smaller in water than in air

C) frequency is same but the wavelength is larger in water than in air

D) frequency and speed both decreases

August 2, 2021

About MCQs Master

MCQsMaster is one of the top Pakistani websites which shares the useful MCQs for test preparation, which are useful MCQs for PPSC, FPSC, NTS, pak mcqs, fpsc online mcqs, dawn mcqs, ppsc mcqs online test , mcqs preparation or Other test. .

Let’s grow togather.