Question

What is meant by power of a lens? Define its S.I. unit.; You have two lenses A and B of focal lengths +10 cm and -10 cm respectively, State the nature and power of each lens. Which of the two lenses will form a virtual and magnified image of an object placed 8 cm from the lens? Draw a ray diagram to justify your answer.(All India - 2015)

Answer 1

Explanation:

What is meant by power of a lens? Define its S.I. unit.; You have two lenses A and B of focal lengths +10 cm and -10 cm respectively, State the nature and power of each lens. Which of the two lenses will form a virtual and magnified image of an object placed 8 cm from the lens? Draw a ray diagram to justify your answer.(All India - 2015)

Answer 2

Explanation:

this is your ans

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