Question

answer in detail both also

Answer 1

Hey guys this is your answer
1.) Concave lens forms Virtual and Erect image.
2.) In a homogenous transparent medium light travels in a straight line and this is known as rectilinear propagation of light.

Answer 2

1.real image or original image of the object.
2.The light travels in a straight line through homogenous transperent objects.


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