Question

give one word answer
(a) Used by people to detect light (HINT:IT IS 4 LETTER WORD WITH E AS THE THIRD LETTER)
(b) Used to create rays of light to investigate reflection and refraction (HINT: IT IS A 6 LETTER WORD AND STARTS WITH LETTER 'R')

Answer 1

Answer:

(a)Eyes

(b)sorry I don't know.

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Answer 2

Answer:

a)EYES

b)RAYBOX

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