Save guides, add subjects and pick up where you left off with your BBC account. A ray diagram shows how light travels, including what happens when it reaches a surface. In a ray diagram, you draw ...

Everything CCEA students need to know about the reflection and refraction of light for GCSE Physics. ... A ray diagram shows how light travels, including what happens when it reaches a surface.

Get CBSE Class 10 Science chapter 10, Light- Reflection and Refraction: ... Explain the same with the help of ray diagram, when a ray of light passes through a rectangular glass slab.

Now light rays from sun rays after reflection from concave mirror will converge at focus. It is given that sunrays converge at 15 cm. So, focal length of the mirror = f = 15 cm.