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Figure shows a point source P inside a water container. Three rays A, B and C starting from the source P are shown up to the water surface.

Figure shows a point source P inside a water container. Three rays A, B and C starting from the source P are shown up to the water surface. Show in the diagram, the path of these rays after striking the water surface. The critical angle for water-air surface is 48°. Name the phenomenon which the rays A, B and C exhibit. Refraction of light at plane surfaces, Concise Physics Class 10 Solutions.

(a) Show in the diagram, the path of these rays after striking the water surface. The critical angle for water-air surface is 48°.

(b) Name the phenomenon which the rays A, B and C exhibit.

Refraction Plane Surfaces

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Answer

(a) Below diagram shows the path of the rays after striking the water surface:

Figure shows a point source P inside a water container. Three rays A, B and C starting from the source P are shown up to the water surface. Show in the diagram, the path of these rays after striking the water surface. The critical angle for water-air surface is 48°. Name the phenomenon which the rays A, B and C exhibit. Refraction of light at plane surfaces, Concise Physics Class 10 Solutions.

(b) Rays A and B show the phenomenon of ‘refraction of light’ and ray C shows the phenomenon of ‘total internal reflection’.

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