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BINA LIBRARY-Optics-I-EXERCISE
- Deduce the equation for the refraction at a spherical surface seperati...
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- Establish the lens maker's formula for a biconvex lens.
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- Deduce the relation 1/v-1/u=1/f for a concave lens.
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- Derive the lens formula 1/f=1/v-1/ufor a convex lens.
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- What is meant by power of a lens? What is its unit?
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- When two thin converging lenses of focal lengths f, and f, are held in...
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- What is meant by the angle of minimum deviation of a prism?
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- Find a relation between minimum deviation and the refractive index of ...
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- Explain why white light is dispersed while passing through a prism.
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- What are the two main defects of vision? State how these are rectified...
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- With the help of a labelled ray diagram, show the image formation by a...
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- Derive an expression for compound microscope's magnifying power.
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- Draw a labelled ray diagram of an astronomical telescope for a near po...
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- Write down the expression for astronomical magnifying power.
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- Draw a labelled ray diagram to show the image formation in an astronom...
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- Write down the expression for astronomical magnifying power.
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- State two drawbacks of astronomical telescope.
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- Draw a labelled ray diagram to show the image formation in a reflectin...
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- Write two advantages of a reflecting telescope over a refracting teles...
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- Modern telescope prefer using mirrors over using suitable lenses. Give...
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