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A ray of light travelling in the directi...

A ray of light travelling in the direction `(1)/(2)(hat(i)+sqrt(3)hat(j))` is incident on a plane mirror. After reflection, it travels along the direction `(1)/(2)(hat(i)-sqrt(3)hat(j))` . The anglel of incidence is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`75^(@)`

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The correct Answer is:
A
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MOTION-GEOMETRICAL OPTICS-Exercise - 4 | Level-II
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  2. The image of an object, forme by a plano-convex lens at a distance of ...

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  3. A ray of light travelling in the direction (1)/(2)(hat(i)+sqrt(3)hat(j...

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  4. A right angled prism of refractive index mu(1) is placed in a rectangu...

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  5. A point source S is placed at the bottom of a tranparent block of heig...

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  6. Four combinations of two thin lenses are given in List I. The radius o...

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  7. A transparent thin film of uniform thickness and refractive index n(1)...

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  8. Consider a concave mirror and a convex lens (refractive index 1.5) of ...

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  9. Two identical glass rods S(1) and S(2) (refractive index=1.5) have one...

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  10. A monochromatic beam of light is incident at 60^@ on one face of an eq...

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  11. Light guidance in an optical fibre can be understood by considering a ...

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  12. Light guidance in an optical fibre can be understood by considering a ...

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  13. A parallel beam of light is incident from air at an angle alpha on the...

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  14. A plano-covex lens is made of a material of refractive index n. When a...

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  15. A transparent slab of thickness d has a refractive index n(z) that inc...

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  16. A small object is placed 50 cm to the left of a thin convex lens of fo...

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  17. The diameter of a plano convex lens is 6 cm and thickness at the centr...

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  18. For an isosceles prism of angle A and refractive index mu it is found ...

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  19. A monochromatic light is travelling in a medium of refractive index n ...

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  20. Sunlight of intensity 1.3kW m^(–2) is incident normally on a thin conv...

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