Science, asked by beautyqueen39, 1 year ago

Q.1)Define principle focus of a concave mirror. Calculate power of concave lens of radius of curvature of 20cm
Q. 2)What is solenoid?Draw the field lines of the magnetic field produced on passing current through and around a current carrying solenoid.

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Answers

Answered by anshi234567

1

these question answer is present in your book so please open your book

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