• how to draw a ray diagram for concave mirror (i) Parallel to pricipal axis (ii) Passing through center of curvature
• if you placed an object at (1) between 'C' and F and (2) F then find the position of image, size and nature of image formed by a concave mirrors ( with ray diagrams)
  
• When an object is placed between pole and focus of a convex mirror, then what is the image formed?
• How to form a image by concave mirror with position and size of image in a tabular form?
• The relation between focal length and radius of curvature is given by    
• what is the convergence of light and where it is used
• The image of an object formed by a lens is of magnification -1. If the distance between the object and it's image
  
• In physics,what kind of image will be form when concave and convex mirror and in lens are kept together
• Is there any ratio for size of object in Convex mirror and real size of object ?
• Which mirror is used as a torch reflector? 

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