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NCERT TAMIL-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISES
- A compound microscope consists of an objective lens of focal length 2....
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- A person with a normal near point (25 cm) using a compound microscope ...
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- A small telescope has an objective lens of focal length 144 cm and an ...
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- (i) A giant refracting telescope at an observatory has an objective le...
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- Use the mirror equation to deduct that : (a) an object between f and...
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- A small pin fixed on a table top is viewed from above from a distance ...
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- a.Figure shows a cross-section of a 'light pipe' made of glass fibre o...
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- 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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- 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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- 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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