Please I need some help with this question

A cicular opaque disk, 25cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen.

1 answer

Can someone please help me- don't know how to get started?
Similar Questions
    1. answers icon 4 answers
    1. answers icon 0 answers
  1. please helpA circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A
    1. answers icon 1 answer
  2. Need help.....A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A
    1. answers icon 0 answers
more similar questions