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प्रश्न
Jatin puts a pencil into a glass container having water and is surprised to see the pencil in a different state.
- What change is observed in the appearance of the pencil?
- Name the phenomenon responsible for the change.
- Draw a ray diagram showing how the eye sees the pencil.
Meera puts a pencil into a glass container with water and is surprised to see the pencil in a different state.
- What change is observed in the appearance of the pencil?
- Name the phenomenon responsible for the change.
- Draw a ray diagram showing how the eyes see the pencil.
Abhay puts a pencil in a glass container containing water obliquely and is surprised to see the pencil in different state.
- What change is observed in the appearance of the pencil?
- Name the phenomenon responsible for the change.
- Draw a ray diagram showing how the eyes see the pencil.
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उत्तर
(i) The immersed part of the pencil appears to be shortened and raised.
(ii) The phenomenon responsible for the above observation is the refraction of light in passing from water to air.
(iii) The ray diagram for the same is as shown below:
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संबंधित प्रश्न
Draw a ray diagram to show the appearance of a stick partially immersed in water. Explain your answer.
A fish is looking at a 1.0 m high plant at the edge of the pond. Will the plant appear shorter or taller than its actual height, to the fish. Draw a ray diagram to support your answer.
The given 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. The critical angle for water-air surface is 48°.
- Name the phenomenon which the rays A, B, and C exhibit.
