Question

Arey main kyun tere birthday ko worst day banaungi Yaar

Aur kya hua kyun baat nhi krni tere ko mujhse



Define Refractive Index?
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Answer 1

Answer:

mental health disorder characterised by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.

Possible causes include a combination of biological, psychological and social sources of distress. Increasingly, research suggests that these factors may cause changes in brain function, including altered activity of certain neural circuits in the brain.

Explanation:

Hope its helps you very much

Answer 2

REFRACTIVE INDEX :-

The ratio of the velocity of light in a vacuum to its velocity in a specified medium.