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1) A concave cosmetic mirror has a focal length of 36cm . A 5.0cm -long mascara brush is held upright 18cm from the mirror..

A) Use ray tracing to determine the location of its image.

q=___________cm

B) Use ray tracing to determine the height of its image.

h=______cm

C) Is the image upright or inverted?

D) Is the image real or virtual?

2) A 5.4ft -ft-tall girl stands on level ground. The sun is 30? above the horizon.

A) How long is her shadow?

l=_____ft

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  • Category:- Physics
  • Reference No.:- M9902759

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