Physics, asked by makhankumar, 1 year ago

when is spherical lens is held what the sun and a sharp image formed on a piece of Black Hole get burnt in the black after sometime name the lens used what name is given to the distance between the spherical lens and the black paper see what is the relative advantage of using black paper

Answers

Answered by sampritrudra2007
1

Answer:

Concave lens

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Explanation:

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