What is the role of ray casting in techniques such as shadow generation and reflection?

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Q: How does the phenomenon of refraction differ from reflection?

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A: How do diffraction gratings utilize the wave nature of light to separate different wavelengths .

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Q: (e) An energy source forces a constant current of 2 A for 10 s to flow through a light bulb. If 2.3…

A: Energy (E) = 2.3 kJCurrent (I) = 2 ATime (t) = 10 sec.

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: