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NCERT TAMIL-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISES
- Answer the following questions : Does the apparent depth of a tank o...
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- Answer the following questions : Does the apparent depth of a tank o...
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- The image of a small electric bulb fixed on the wall of a room is to b...
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- A screen is placed 90 cm from an object. The image an object on the sc...
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- a) Determine the effective focal length of the combination of the two ...
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- At what angle should a ray of light be incident on the face of a prism...
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- A cardsheet divided into squares each of size 1 mm^(2) is being viewed...
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- (i) At what distance should the lens be held from the card sheet in or...
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- What should be the distance between the object and magnifying glass i...
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- a) The anlge subtended at the eye by an object is equal to the angle s...
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- a) The anlge subtended at the eye by an object is equal to the angle s...
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- a) The anlge subtended at the eye by an object is equal to the angle s...
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- a) The anlge subtended at the eye by an object is equal to the angle s...
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- a) The anlge subtended at the eye by an object is equal to the angle s...
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- An angular magnification (magnifying power) of 30 X is desired using a...
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- A small telescope has an objective lens of focal length 140 cm and an ...
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- (a) For the telescope described what is the separation between the obj...
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- A Cassegrainian telescope uses two mirrors as shown in Fig. Such a tel...
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- Light incident normally on a plane mirror attached to a galanometer co...
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- Figure shows an equiconvex lens (of refractive index 1.50 ) in contact...
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