Draw a ray diagram to show the refraction of light through a glass prism. Mark on it,
The incident ray,
The emergent ray,
The angle of deviation.
CBSE OUTSIDE DELHI - SET 1 2011
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Incident ray, the emergent ray and the angle of deviation is as marked in the diagram below:
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Among animals, the predators (like lions) have their eyes facing forward at the front of their heads, whereas the animals of prey (like rabbit) usually have eyes at the sides of their head. Why is this so?
Complete the following statements:
When the sun is setting, the light from it has to travel a ____ thickness of the earth's atmosphere and only ____ wavelength _____ light is able to reach us. Sunset is therefore ___.