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The energy of a photon of wavelength lam...

The energy of a photon of wavelength `lambda` is—

A

`hlambda//c`

B

`hc//lambda`

C

`lambda//hc`

D

`c//hlambda`

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UNITED BOOK HOUSE-MODEL PAPER SET-09-EXERCISE
  1. The energy of a photon of wavelength lambda is—

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  2. Correct value of dielectric constant ‘K’ in the relation given is—

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  3. Two protons are projected in a magnetic field ‘B’ with velocities ‘V'a...

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  4. A parallel plate capacitor has capacitance C. If it is equally filled ...

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  5. Farad per meter is the S.I. unit of—

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  6. Photoelectric effect proves that light is—

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  7. Emitter of a transistor is—

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  8. What is the ratio of diameter of first Bohr's orbit in He^+ and H atom...

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  9. A carrier wave of amplitude 200v is used for modulation of a sine wave...

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  10. Dimension of magnetic flux (phi) is—

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  11. The expression for electromagnetic wave is—

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  12. A convex lens of focal length 80 cm and a concave lens of focal length...

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  13. A particle is moving with kinetic energy E. It's de Broglie wavelength...

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  14. Prepare the truth table of NOR gate.

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  15. Write the decimal equivalent of (11011)2.

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  16. A coil of metal wire is stationary in a non-uniform magnetic field. Is...

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  17. What is the value of resistance offered by a junction diode when it is...

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  18. Ratio of lengths of two wires of same material is 2:3 and ratio of are...

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  19. Ratio of lengths of two wires of same material is 2:3 and ratio of are...

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  20. Calculate the magnetic flux through a circular loop of diameter 40cm w...

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