Explain the phenomenon of dispersion of white light through a glass prism, using suitable ray diagram.
How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?
Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence define the angle of deviation.
When do we consider a person to be myopic or hypermetropic? Explain using diagrams how the defects associated with myopic and hypermetropic eye can be corrected?
Explain the structure and functioning of Human eye. How are we able to see nearby as well as distant objects?
Explain the structure and functioning of Human eye. How are we able to see nearby as well as distant objects?
What is the difference in colours of the Sun observed during sunrise/sunset and noon? Give explanation for each.
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