# When a glass slab is placed on a cross made on a sheet, the cross appears raised by 1 cm. The thickness of the glass is 3 cm. The critical angle for glass is a) b) c) d)

## Question ID - 152229 :- When a glass slab is placed on a cross made on a sheet, the cross appears raised by 1 cm. The thickness of the glass is 3 cm. The critical angle for glass is a) b) c) d)

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Answer Key : (c) -
 (c) Or or  o Now, Or   or Or

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 An object is placed at  infront of a concave mirror whose focal length is . The image formed will be a) Magnified and inverted b) Magnified and erect c) Reduced in size and inverted d) Reduced in size and erect

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