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a convex lens forms a virtual image of a...

a convex lens forms a virtual image of an object. What is the position of the object ?

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A convex lens form a virtual and erect image, when the object is situated between optical centre and princpal focus of the lens.
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PRADEEP-REFLECTION AND REFRACTION-Additional Question
  1. Arrange air, glass and water in terms of decreasing refractive index.

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  2. Which is denser optically out of alcohol with n=1*36 and carbon disulp...

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  3. The image formed by a convex lens is always real. Is it true?

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  4. a convex lens forms a virtual image of an object. What is the position...

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  5. For what position of an object a real, diminshed image is formed by a ...

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  6. Where should an object be placed in order of to use a convex lens as a...

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  7. What is the difference between lens formula and mirror formula?

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  8. Define one dioptre of power of a lens.

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  9. How is the power of a lens related to its focal length?

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  10. What is meant by number of lens?

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  11. Look at . What is the radius of curvature of the spherical mirror? Giv...

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  12. Draw the reflected ray when ray the incident ray were to pass through ...

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  13. What is the cause of refraction of light ?

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  14. A ray of light is refracted. Which medium a or b is optically denser t...

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  15. A parallel beam of light passes through a lens held at O as shown in F...

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  16. Explain why, a ray of light passing through the centre of curvature of...

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  17. What is the nature of the image formed by a concave mirror if the magn...

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  18. The refractive index of carbon disulphide is 1*63. What is the meaning...

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  19. The outer surface of a hollow sphere of aluminium of radius 50 cm is t...

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  20. Between which two points of a concave mirror should an object be place...

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