mawakhan mawakhan

11-12-2022
Physics

contestada

Which of the following statement(s) about light is/are correct?
(I) light travels faster than sound in air
(II) light cannot travel through a vacuum
(III) a rough surface cannot reflect light
(IV) an opaque material cannot reflect light

A: I only
B: I and II only
C: III and IV only
D: I, III, and IV only

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