Question

The angle of incidence is 60° and the angle of refraction is 30°. The polarizing angle for
the same medium is
a. 550 b. 450 c. 30°d. 60°​

Answer 1

Explanation:

your answer is 60°

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Answer 2

Given: The angle of incidence(i) is 60°

           The angle of refraction(r) is 30°

To find The polarizing angle(ip)

Solution: In physics, there is a branch called optics where we study the angle of incidence, the angle of refraction, and the polarizing angle are the topics that are discussed in this chapter. We solve the given numerical based on Brewster's law.

According to Brewster's law, " when light is incident on a transparent surface at the polarizing angle, the reflected and the refracted rays are perpendicular to each other."

We know that the polarizing angle(ip) is also called 'Brewster's angle' and we also know that ip+r=90°

∴ ip+r=90°

⇒ ip+30°=90°

⇒ ip= 90°- 30°

⇒ ip=60°

∴ The correct option is d.60°

Hence the polarizing angle is 60°.