Refraction and Snell's Law Quiz

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Test your understanding of refraction and critical angles.

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Hoda Arfi

Lebanon

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Refraction and Snell's Law Quiz


Froggy Jumps Refraction and Snell's Law QuizOnline version Test your understanding of refraction and critical angles. by Hoda Arfi 1 when the ray refracted toward the normal then a n1>n2 b n1=n2 c n1 2 What does the plane of incidence contain? a Incident ray and the surface only b Incident ray, refracted ray, and the normal c Normal, surface, and refracted ray 3 Which equation expresses Descartes-Snell law? a n1 sin r = n2 sin i b n1 sin i = n2 sin r c n1 cos i = n2 cos r 4 If i = 0, what is r when going from air to water? a r = 90° b r = 0 c r is undefined 5 What happens when n2 > n1 and ,WE Should a calculate limiting angle only b calculate li and compare with i c Refraction angle always increases smoothly 6 What is the critical concept when total internal reflection occurs? a i is always 0 b i exceeds the critical angle when n2 < n1 c n2 becomes greater than n1 after reflection 7 In total internal reflection, what happens to the refracted ray? a It does not refract and is reflected b It disappears c It refracts at 45° 8 If light goes from a more denser to a less dense medium with i > critical angle, what occurs? a Total internal reflection b Double refraction c Refraction with negative angle 9 What does sin λ denote in the context of refraction? a Sine of the incident angle b Sine of the limiting (critical) c Sine of the refracted angle when i = 0 10 Which statement is true for a ray at grazing incidence from denser to rarer medium? a sin r = 0 and r = 0 b i = 0 c r = 90° 11 the ray refracted away from the normal when a incident ray strikes opaque surface b incident ray passes from less index to more index c incident ray less than limiting angle 12 d= 90 -i in the case a i= limiting angle b i> limiting angle c i < limiting angle 13 d= r-i in the case a ray refracted away the normal b ray refracted toward the normal c ray grazing the surface

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Refraction and Snell's Law Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Refraction and Snell's Law QuizOnline version

by Hoda Arfi

when the ray refracted toward the normal then

What does the plane of incidence contain?

Which equation expresses Descartes-Snell law?

If i = 0, what is r when going from air to water?

What happens when n2 > n1 and ,WE Should

What is the critical concept when total internal reflection occurs?

In total internal reflection, what happens to the refracted ray?

If light goes from a more denser to a less dense medium with i > critical angle, what occurs?

What does sin λ denote in the context of refraction?

Which statement is true for a ray at grazing incidence from denser to rarer medium?

the ray refracted away from the normal when

d= 90 -i in the case

d= r-i in the case