Physics-10th Light - Reflection and Refraction CBSE Board 2025 Hard
(i) “In refraction of light through a rectangular glass slab, the emergent ray is always parallel to the dire…
- (i)“In refraction of light through a rectangular glass slab, the emergent ray is always parallel to the direction of the incident ray.” Why ? Explain with the help of a ray diagram. What happens when a ray of light falls normally on one of the faces of a rectangular glass prism ? Draw diagram.
- (ii)An object is placed at a distance of 30 cm from the optical centre of a concave lens of focal length 20 cm. Use Lens formula to determine the position of the image formed in this case.
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