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The energy of photon for the maximum wav...

The energy of photon for the maximum wavelength of visible light is approximately

A

`7ev`

B

`3.2ev`

C

`1.6ev`

D

`1 ev`

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UNITED BOOK HOUSE-MODEL PAPER SET-07-EXERCISE
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  2. The refractive index of the material of a double equiconvex lens id 1....

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  3. The energy of photon for the maximum wavelength of visible light is ap...

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  4. The radioactive decay constant is 4.28 xx 10^-4 year^-1. What is the h...

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  5. The band gap between valence band and conduction band of a semiconduct...

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  7. Define the unit of magnetic induction ‘B’.

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  8. The unit of which quantity is Wb//A?

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  9. Write down lens maker’s formula using the symbols as used.

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  10. Write the condition for destructive interference.

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  11. What is a junction diode?

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  12. Draw the I-V characteristic curve for a diode.

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  13. For measuing a potential difference it is more logical to use a potent...

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  14. The ratio of cross section of two wires of same length and material i...

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  15. “There is no change in kinetic energy of a charge particle moving perp...

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  16. Write down the four Maxwell’s equations in electromagnetic theory.

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  17. Given examples of production of electron from photon and production of...

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  18. An electron is revolving in the third orbit of a hydrogen atom. What i...

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  19. What is transducer? Name the three components in communication system.

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  20. Find the capacitance of a parallel plate capacitor.

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