optics-pencil

how should be a pencil held above a table to obtain a sharp shadow if the source of light is a daylight lamp in the form of a long tube secured on the ceiling.

4 Answers

1
Rohan Ghosh ·

i cudnt get the shape of the source of light

1
Rohan Ghosh ·

i think it should be parallel to the tube and directly below it

1
Rohan Ghosh ·

i can give my explanation with a figure but before that i should confirm it

1
Rohan Ghosh ·

no response?

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