Math, asked by kavithakavithathurpu, 2 months ago

7. Pavan made an experiment and find out the focal length of concave mirror
as 20 cm. Venkat observed the radius of curvature of the mirror as 40 cm.
Then who is correct if mirror forms the image of an object which is at
infinite is 20cm. Explain with neat ray diagram.​

Answers

Answered by karishma12345699
1

Answer:

the curved surface area of a cylinder and cone are equal. if the base radius are same then the radius of slant height of the cone to the height of cylinder is

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