Physical Science Class 9>Chapter 4 - Refraction of Light at Plane Surfaces>Multiple choice questions>Q 4

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If the angle of incidence is equal to critical angle, then the angle of refraction is

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Important Questions on Refraction of Light at Plane Surfaces

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9th Telangana Board

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Physical Science Class 9>Chapter 4 - Refraction of Light at Plane Surfaces>Multiple choice questions>Q 5

Mirage is a best example for the phenomenon of

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Physical Science Class 9>Chapter 4 - Refraction of Light at Plane Surfaces>Multiple choice questions>Q 6

Refractive indices of Ice, Benzene, Ruby and Kerosene are

1.31

,

1.50

,

1.71

and

1.44

respectively. In which of the above media, light travels slowly?

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Physical Science Class 9>Chapter 4 - Refraction of Light at Plane Surfaces>Multiple choice questions>Q 7

The relative refractive index of water with respect to air is

\frac{4}{3}

. Then relative refractive index of air with respect to water is

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Physical Science Class 9>Chapter 4 - Refraction of Light at Plane Surfaces>Multiple choice questions>Q 8

In an experiment to trace the path of ray through a glass slab, Shiva traced as shown in the figure. The teacher asked identify the emergent ray. Which of the following would Shiva identify?

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