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Across: 2. Air bubble in water behaves as which lens 5. Which of the following forms a virtual and erect image for all positions of the object by which mirror 6. Mirage is a phenomenon due to 9. Minimum angle of incidence in the denser medium for which angle of refraction becomes 90° is called 10. The splitting of white light into its constituent colours when it passes through a glass prism is called
Down: 1. When a ray of light enters from one medium to another, then which of the following does not change 3. Virtual image formed by convex mirror has magnification is 4. Which of the following colours of white light deviated most when passes through a prism? 7. Blue colour of sky is due to phenomenon of what of sunlight 8. Name the phenomenon due to which one cannot see through the fog