1.

Distinguish between real image and virtual image.

Answer»
Real ImageVirtual Image
1. It is formed by the actual  meeting of reflected (or refracted) rays.
2. It can be obtained on the screen.
3. It is always inverted.
4. 
lt is formed by concave mirror or
convex lens.
1. It is formed when reflected (or refracted) rays appear to meet when produced backward.
2. It cannot be obtained on the screen.
3. It is always erect.
4. It is formed by concave, convex and plane mirrors (or concave and convex lenses).



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