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23 Nov 2019
a) The focal length of a concave mirror is 17.5 cm. An object islocated 38.5 cm in front of this mirror. How far in front of themirror is the image located?
b)The critical angle for total internal reflection of light forsapphire surrounded by air is 34.4 deg. Calculate the Brewsterangle for sapphire if the light is incident from the air.
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a) The focal length of a concave mirror is 17.5 cm. An object islocated 38.5 cm in front of this mirror. How far in front of themirror is the image located?
b)The critical angle for total internal reflection of light forsapphire surrounded by air is 34.4 deg. Calculate the Brewsterangle for sapphire if the light is incident from the air.
problems not related
