Question

HOME WORK-1
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ANSWER THE FOLLOWING QUESTIONS BY USING PROPER EQUATIONS.
1. Calculate the radius of curvature of concave mirror of focal length 12cm.
2. Calculate the focal length of convex mirror of radius of curvature 20cm.
3. An object of height 10cm is placed at 30cm in front of a convex mirror of
focal length 20cm. Calculate position, size and nature of image.
4. An object of height 10cm is placed at 30cm in front of a concave mirror of
focal length 20cm. Calculate position, size and nature of image.
5. Find magnification if height of real image and object is 60cm and 30 cm
respectively.
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Answer 1

Answer:

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