Question

a girl was playing with a thin beam of light from a laser torch by directing it from different directions on a convex lens held vertically she was surprised to see that in a particular direction the beam of light continues to move along the same direction after passing through the lens state the reason for the observation draw a ray diagram to support your answer​

Answer 1

Here is your answer

Hope you like it and best of luck for your exam

Answer 2

Answer:

she would have placed such that the angle is greater than critical angle causing total internal reflection