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Statement - 1 : The formula connecting u...

Statement - 1 : The formula connecting u, v and f for a spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature. Because
Statement - 2 : Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

B

Statement-1 is True, Statement-2 is Tru, Statement-2 is not a correct explanantion for statement-1.

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
C
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The formula connecting u,v and f for a spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature. Because Statement-2 Laws of reflection are strictly valid for plane surfaces, but nor for large spherical surfaces.s

In each of the questions, assertion(A) is given by corresponding statement of reason (R) of the statemens. Mark the correct answer. Q. Statement I: The formula connecting u,v and f for a spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature. Statement II: Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.

Assertion The formula connecting u, v and f for a spherical mirror is valid only for mirrors sizes which are very small compared to their radii of curvature. Reason Laws of reflection are stricity valid for plane surface, but not for large spherical.

Assertion:- The formula ((1)/(4)+(1)/(u)=(1)/(f)) connecting u and v for a spherical mirror is valid only for mirros whose sizes are very small compared to their radii of curvatures. Reason:- Laws of reflection are strictly valid for smaller size of of optical system.

RESNICK AND HALLIDAY-GEOMETRICAL OPTICS : REFLECTION -PRACTICE QUESTIONS (single correct choice type)
  1. इनमें से कौन एक गोलीय सतह पर अपवर्तन के लिए (1)/(v) तथा (1)/(u) के बीच...

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  2. An object placed in front of a concave mirror of focal length 0.15 m p...

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  3. A watch shows time as 3:25 when seen through a mirror, time appeared w...

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  4. A convex mirror and a concave mirror of radius 10cm each are placed 15...

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  5. Two plane mirros are inclined to each other at an angle 60^(@) if a ...

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  6. A plane mirror is placed at origin parallel of y-axis, facing the posi...

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  7. The number of roamn capital letters such as A,B,C,D... Which are not l...

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  8. You are standing upright in a room in front of a vertical mirror.In th...

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  9. Two plane mirrors are placed parallel to each other at a distance L ap...

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  10. The light reflected by a plane mirror may form a real image

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  11. As the position of an object (u) reflected from a concave mirrorr is v...

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  12. You walk slowly toward a large concave mirror.At first, you see your i...

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  13. What acn be the largest distance of an image of a real object from a c...

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  14. A particle moves toward a concave mirror of focal length 30 cm along i...

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  15. A concave mirror is placed on a horizontal table with its axis directe...

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  16. Statement - 1 : The formula connecting u, v and f for a spherical mirr...

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  17. An object is placed near two perpendicular plane mirrors as shown in t...

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  18. Daniel walks directly toward a plane mirror at a speed of 0.25 (m)/(s)...

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  19. Which one of the following statements concerning a convex mirror is tr...

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  20. An object is placed 30.0 cm from a convex spherical mirror with radius...

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