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BINA LIBRARY-Optics-I-EXERCISE
- What is the nature of image formed by a convex mirror?
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- When is a virtual image formed by a concave mirror?
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- Can a real image be formed by a convex mirror?
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- Define linear magnification.
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- State Snell's law of refraction of light.
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- Define critical angle of a pair of media.
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- Define the refractive index of a medium.
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- What is meant by the angle of minimum deviation of a prism?
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- How are angles of incidence and deviation related in case of prism?
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- A glass prism is immersed in water. What happens to the value of angle...
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- What is optical fibres? What principle is used in it?
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- With what kind of lens can you convert a converging beam of rays into ...
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- With what kind of lens can you convert a diverging beam of rays into a...
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- Define centre of curvature.
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- Can a concave lens produce a real image?
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- Why has a lens two focal points but a mirror only one?
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- What is meant by power of a lens? What is its unit?
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- If a thin lens is dipped in water, does its focal length change?
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- Define principal axis of spherical mirror .
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- Is the focal length of a lens the same for lights of all colors ?
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