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1. While doing an experiment for the determination of the focal length of a convex lens, Raja Suddenly dropped the lens. It got broken into two halves along the axis. If he continues his experiment with the same lens,
a. Can he get the image?
b. Is there any change in the focal length?
Answer:
a. Light is a form of .
b. Light always travels along a .
2. The eyes of the nocturnal birds like owl are having a large cornea and a large pupil. How does it help them?
a. Owl has a .
b. Images are formed on the .
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