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OSWAAL PUBLICATION-2019 Solved Paper I-Exercise
- Write the ray diagram for formation of image in the simple microscope.
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- What is diffraction of light?
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- Write the expression for de-Broglie wavelength of electrons interms of...
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- Distinguish between n-type and p-type semiconductos.
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- Derive an expression for potential energy of electric - di-pole p...
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- Write the expression for force per unit length between two striagh...
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- Distinguish between .dia. and .ferro. magnetic materials.
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- What is a transformer ? Mention two sources of energy loss in a transf...
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- Write three experimental observation of photoelectric effect.
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- Write the three postulates of Bohr.s atomic model.
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- Explain the .Conduction band. .Valence band. and .Energy gap. in semi...
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- What is modulation ? Write the block diagram of the receiver.
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- Write the expression for electric field intensity at any point outside...
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- Obtain an expression for equivalent resistance of two resistors connec...
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- Derive the expression for magnetic field at a point on the axis of a c...
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- Derive an expression for the impedance of a series LCR, circuit, when ...
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- Derive th lens maker's formula.
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- What is amplification? With a circuit diagram, explain the working of ...
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- In a circular parallel plate capacitor radius of each plate is 5 cm an...
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- Two resistors are connected in series with 5V battery of negligible in...
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