Which of the following phenomena of light are involved in the formation of a rainbow...? Mcqs

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Which of the following phenomena of light are involved in the formation of a rainbow...?

(A) Refraction
(B) Dispersion

(C) Total internal reflection
(D) All of the above

✅ Correct Answer: All of the above

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Source: This question is taken from the Everyday Science

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Which mineral is involved in formation of a hormone that is required to produce energy...?

(A) Copper
(B) Magnesium

(C) Calcium
(D) Iodine

✅ Correct Answer: Iodine

Comments

Source: This question is taken from the Everyday Science

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