Class 7 Chapter 15 :- Light Science SHORT ANSWER TYPE QUESTIONS1. Give two features of image formed by a concave mirror. 2. What is reflection ? Do all surfaces reflect light?3. Why is the word 'AMBULANCE' written in reverse ? 4. What are spherical mirrors ?5. What is lateral inversion ?C. LONG ANSWER TYPE QUESTIONS 1. What are the features of the images formed by a convex mirror ?2. Give reason for the following:(a) A convex mirror is used as a side view mirror.(b) A barber uses a concave mirror.3. What are converging and diverging lenses? 4. What is dispersion of light? How would you show light is consist of seven colours ?5. When sunlight is focussed on a sheet of paper through a convex lens, the paper starts burning, while it does not happen in case of a concave lens. Can you state why?

Class 7 Chapter 15 :- Light Science SHORT ANSWER TYPE QUESTIONS1. Gi

1.	Class 7 Chapter 15 :- Light Science SHORT ANSWER TYPE QUESTIONS1. Give two features of image formed by a concave mirror. 2. What is reflection ? Do all surfaces reflect light?3. Why is the word 'AMBULANCE' written in reverse ? 4. What are spherical mirrors ?5. What is lateral inversion ?C. LONG ANSWER TYPE QUESTIONS 1. What are the features of the images formed by a convex mirror ?2. Give reason for the following:(a) A convex mirror is used as a side view mirror.(b) A barber uses a concave mirror.3. What are converging and diverging lenses? 4. What is dispersion of light? How would you show light is consist of seven colours ?5. When sunlight is focussed on a sheet of paper through a convex lens, the paper starts burning, while it does not happen in case of a concave lens. Can you state why?
Answer» 2. the throwing BACK by BODY or SURFACE of LIGHT without ABSORBING it

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