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A biconvex lens is made of glass with mu...

A biconvex lens is made of glass with `mu = 1.52`. Each surface has a radius of curvature equal to `30 cm`. An object of height `3 cm` is placed `14 cm` from the lens. Find the focal length of the lens and the position and size of image.

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The correct Answer is:
`28.85 cm. - 27.19 cm. 5.82 cm ;` enlarged, erect and virtual.
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PRADEEP-RAY OPTICS-Problem For Practice(b)
  1. The radii of curvature of the surfaces of a double convex lens are 20 ...

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  2. A convex lens made up of glass of refractive index 1.5 is dippedin tur...

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  3. A biconvex lens is made of glass with mu = 1.52. Each surface has a ra...

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  4. A concave lens has same radii of curvature for both sides and is made ...

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  5. A double convex lens of glass of refractive index 1.6 has its both sur...

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  6. Convex lens is made of glass of refractive index 1.5 If the radius of ...

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  7. A glass convex lens has a power of + 10 D . When this lens is totally ...

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  8. A convex lens of focal length 20 cm and made of glass (mu = 1.5) is im...

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  9. A thin converging lens made of glass of refractive index 1.5 acts as a...

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  10. Find the radius of curvature of convex surface of a plano convex lens,...

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  11. A corverging lens has a focal length of 20 cm in air. It is made of a ...

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  12. A diverging lens of refractive index 1.5 and focal length 15 cm in air...

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  13. From the ray diagram shown in Fig. calculte the focal length of concav...

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  14. A convex lens is used to throw on a screen 10 m from the lens, a magni...

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  15. An object is placed at a distance of 1.5 m from a screen and a convex ...

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  16. A screen is placed 80 cm from an object. The image of the object on th...

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  17. A convergent beam of light passes through a diverging lens of focal le...

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  18. The image obtained with a convex lens is erect and its length is 4 tim...

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  19. An illuminated object and a screen are placed 90 cm apart. What is the...

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  20. A convex lens of focal length 25 cm is placed co-axially in contact wi...

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