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CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
- Calculate the velocity of sound if the frequency of the wave is 4 Hz a...
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- Define Total internal reflection
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- Define Mirage
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- Write a note on periscope. (Diagram essential)
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- A man shouts loudly close to a high wall. He hears an echo. If the man...
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- State law of characteristics of electric lines of force.
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- Draw a well labelled diagram for magnifying power of a simple microsco...
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- State Coulombs Law and Define relative permitivity.
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- For a dense flint glass prism of refracting angle 10^0, Findthe anangu...
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- Derive an expression for couple acting on an electric dipole kept in a...
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- Explain the effect of change in temperature on the speed of sound in a...
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- Derive an expression for electric field intensity of a point on the eq...
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- Derive an expression for magnifying power of a compound microscope.
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- Derive an expression for apparent frequency when the source is moving ...
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- Light year is a unit of
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- Two plane mirrors are inclined at an angle of 40^@ between them. Numbe...
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- The value of acceleration due to gravity is zero at
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- Change in dimensions is known as
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- When sound waves travel from air to glass, which of these remain const...
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- Earth's atmosphere is richest in
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