TOPIC: LIGHT
Q.1. State the characteristics of the image formed by a plane mirror.
 
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Q.2. What do you mean by rectilinear propagation of light?
 
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Q.3. Why is convex lens called a converging lens?
 
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Q. 4. Write any two uses of concave mirror.
 
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Q.5. Give any two differences between real and virtual images.
 
Real image                                    Virtual image
 
 
 
 
 
Q.6.Why is convex lens used as magnifying glass?
 
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Q.7. Which type of spherical mirror is used as rear-view mirror? Why?
 
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Q.8.An object is kept at a distance of 50 cm in front of a plane mirror. If the mirror is now moved 20 cm away from the object, how does the image shift from its previous position?
 
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Q.9. Differentiate between concave and convex lenses.
 
Concave lens                                          Convex lens
 
 
 
 
Q.10. What is reflection of light?
 
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Please click on below link to download CBSE Class 7 Science Light Worksheet Set D