melissad170 melissad170

15-09-2021
Physics

contestada

when placed in water does a pencil bend towards the normal or away from the normal?

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15-09-2021

Answer:

ni sin theta i = nr sin theta r where theta i is the angle of incidence and theta r the angle of refraction

For nr greater than ni (air to water) theta r must be smaller and the image would be bent towards the normal

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