Light rays from infinite distance when on a convex lens where is image ?
Draw a ray diagram showing image formed when object is at 2 F.
Draw a diagram when object is placed between f AND 2 F.
Define image with its type. Give an example and its types.
What is focal length ? Explain in diagram about focus length.
What is principal focus? Explain principal focus with a diagram.
How does convex lens refract light ? Show with diagram .
What is concave lens ? Why is it called diverging lens ?
What is convex lens ? Why is it called a converging lens?
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