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MBD -HARYANA BOARD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
- A ray of light travelling in glass emerges into air. State whether it ...
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- What is a lens ?
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- What is the basic difference between reflection and refraction of ligh...
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- Define one dioptre of power of a lens.
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- The radius of curvature of a concave mirror is 30 cm what is its focal...
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- If the radius of curvature of a convex mirror is 40 cm, then its focal...
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- A concave mirror produces three times magnified real image of an objec...
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- An object is placed at a distance of 10 cm from a convex mirror of foc...
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- Light enters from air to diamond with refractive index 2.42 What is th...
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- Calculate speed of light in water of refractive index 4//3. Given spee...
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- The reflective index of water with respect to air is 4//3 and the refl...
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- An object is 2m from a lens which forms an erect image one-fourth (exa...
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- A convex lens of focal length 20 cm is placed at a distance of 24 cm f...
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- A concave lens has focal length of 15 cm. At what distance should an o...
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- A convex lens of power 4 D is placed at a distance of 40 cm from a wal...
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- Which mirror has a wider field of view ?
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- Define principal axis of a spherical mirror.
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- What is concave mirror
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- What is convex mirror?
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- Define principal focus.
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