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Sun rays are incident at an angle of 2...

Sun rays are incident at an angle of `24^(@)` with the horizon. How can they be directed parallel to the horizon using a plane mirror?

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The correct Answer is:
Mirror should be placed on the path of the rays at and `/_` of `78^(@)` or `12^(@)` to the horizontal

`theta + 12^(@) = 90^(@) rArr theta = 78^(@)`
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
  1. Figures shows a plane mirror on which a light ray is incident, if t...

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  2. A light ray is incident on a plane mirror, which after getting refl...

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  3. Sun rays are incident at an angle of 24^(@) with the horizon. How ca...

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  4. Two plane mirrros are placed as shown in the figure and a point objec...

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  5. A point object is placed (0,0) and a plane mirror 'M' is placed, incl...

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  6. A rod of length 10 cm lies along the principal axis of a concave mirr...

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  7. A point source is at a distance 35cm on the optical axos from a sph...

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  8. Find the diameter of the image of the moon formed by a spherical conc...

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  9. The radius of curvature of a convex spherical mirror is 1.2m. How fa...

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  10. A converging beam of light rays in incident on a concave spherical ...

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  11. A point object is placed on the principle axis at 60cm in fornt ...

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  12. A man uses a concave mirror for shaving. He keeps his face at a dist...

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  13. Two spherical mirros (convex and concave) having the same focal leng...

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  14. A light ray falling at an angle of 45^@ with the surface of a clean sl...

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  15. A light ray is incident at 45^(@) on a glass slab. The slab is 3cm thi...

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  16. In the given figure an abserve in air (n=1) sees the botoom of a bre...

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  17. In the given figure rasy incident on an interface would converge 10c...

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  18. A fish is rising up veritcally inside a pond with velocity 4 m//s, and...

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  19. Find the apparednt distance between the observer and the object shwon ...

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  20. Find the apparent depth of object of the object seen by observe A (in...

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