Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

A student traces the path of a ray of light through a rectangular glass slab for angles of incidence 40degree, 50degree, 60degreeseparately. He observed

that the perpendicular distance ā€˜dā€™ between the incident ray and emergent ray : (a) increases with increase in angle of incidence. (b) decreases with increase in angle of incidence. (c) remaines the same for all the three angles. (d) first increases and then decreases.


D decreases with the increase in angle of incidence i , attains a minimum value and then increases with the further increase in the angle of incidence .
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts