Question no. 9(c). Show through a diagram the refraction of two parallel incident rays by a concave lens by treating it as a combination of a glass block and two triangular glass prisms. Share with your friends Share 0 Decoder_2 answered this Dear student, Description of above figure- the concave lens has two glass prisms and one glass block. One of the glass prisms is situated above the glass block and one below the block.Regards 0 View Full Answer
