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A person uses spectacles of power +2D. W...

A person uses spectacles of power +2D. What type of defect of vision is it?

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UNITED BOOK HOUSE-QUESTION PAPER 2019-EXAMPLE
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  2. An object of height 2.5 cm placed perpendicularly on the principle ax...

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  3. A person uses spectacles of power +2D. What type of defect of vision i...

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  4. Under what potential difference should an electron be accelerated to ...

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  5. Give an example of production of electron by photons.

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  6. Write down Eistein's photoelectric equation.

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  7. Light rays of wavelength lambda and lambda/2 are incident on a a photo...

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  8. If the value of Rydberg constant of hydrogen is 109737 cm^-1 determine...

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  9. What is meant by half life of a radioactive element?

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  10. Wht are the majority and minority carriers in a p-type semiconductor?

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  11. Write down the symbol and truth table OR gate.

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  12. Convert the binary number 10011 into decimal equivalent .

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  13. Why are Si and Ga-As perferred materials for solar cell?

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  14. Transistor-what does it mean ?

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  15. When an n-p-n transitor is used as an amplifier?

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  16. In a potetiometer experiment why is ti necessary to use a long wire? ...

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  17. In a meter bridge when the resistance in the lift gap, is 2Omega and a...

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  18. What is shunt?

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  19. Explain wheatstone bridge principle with the help of Kirchhofffs law D...

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