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OSWAAL PUBLICATION-Sample Paper 4-Exercise
- Which type of lens is used to correct myopia(short sightedness) ?
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- What is the rest mass of photon?
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- Write three postulates of Bohr. Mention two limitation of Bohr model.
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- Define mean life of a radioactive element.
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- write the symbol of NAND gate .
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- What is attenuation in communication system ?
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- Write Coulomb's law in vector form and explain the terms.
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- Mention two limitations of Ohm's law.
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- Write any two differences between diamagnetic and paramaganetic substa...
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- Current in a coil falls from 5 A to 0 A in 0.1 s, calculate the induce...
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- Give two uses of UV rays.
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- Draw the ray diagram for the formation of image in case of a concave m...
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- Distinguish between extrinsic and intrinsic semiconductors.
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- Write the block diagram of a transmitter.
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- Derive the relation between electric field and electric potential.
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- Arrive at the expression for velocity selector using Lorentz force.
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- Mention any three salient features of Hysteresis loop.
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- Derive the expression for motional emf induced in a conductor moving i...
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- Mention one power loss in transformer.
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- Using Huygen's wave theory of light, show that the angle of incidence ...
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