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A ray of light strikes the glass slab at...

A ray of light strikes the glass slab at an angle of `90^(@)` from its surface. What is the angle of incidence and the angle of refraction ?

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Angle of incidence .i. and angle of refraction .r. both are equal to zero degree.
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U-LIKE SERIES-LIGHT - REFLECTION AND REFRACTION -VERY SHORT ANSWER QUESTIONS
  1. Define refractive index of a medium.

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  2. Refractive index of water with respect to air is 1.33. What is the ref...

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  3. A ray of light strikes the glass slab at an angle of 90^(@) from its s...

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  4. Complete the following diagram

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  5. Why does a ray of light bend from its path when it travels from one me...

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  6. What happens to a ray of light when it travels from one medium to anot...

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  7. If a light ray IM is incident on the surface AB as shown, identify the...

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  8. For the same angle of incidence of 45^(@), the refraction angle in two...

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  9. A ray of light travelling from a medium X enters obliquely into anothe...

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  10. Draw a ray diagram showing refraction of a light ray from a refracting...

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  11. What is lateral displacement of a light ray passing through a glass sl...

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  12. What are the two factors on which the lateral displacement of an emerg...

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  13. For the same angle of incidence of 45^(@), the refraction angle in thr...

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  14. Define optical centre of a spherical lens.

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  15. Define a lens.

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  16. When a convex lens is focussed on a distant object, where will the ima...

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  17. Define power of a lens and write its SI unit.

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  18. Write the relationship between the SI unit of the power of a lens and ...

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  19. Redraw the given diagram and show the path of the refracted ray.

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  20. An image of the same size of an object is formed in a convex lens. Whe...

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