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Flowers are unisexual in :...

Flowers are unisexual in :

A

Light meters

B

Street light electric circuits

C

Burglar alarm

D

Automatic opening and close of doors.

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The correct Answer is:
C
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE-I
  1. The principle of photo cell is

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  2. The correct statement is :

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  3. Flowers are unisexual in :

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  4. A long solenoid having n = 200 turns per metre has a circular cross-se...

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  5. The threshold frequency for a metallic surface corresponds to an energ...

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  6. The mass of electron varies with

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  7. The wavelengths of a photon, an electron and a uranium nucleus are sam...

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  8. The matter waves are

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  9. The wave nature of electron is verified by

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  10. The De- broglie wavelength associated with a matter particle is

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  11. The ratio of wavelength of a photon and that of an electron of same en...

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  12. Enthalpy change of a reaction with be equal to

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  13. Calculate the uncertainty in position of the electron if de-Broglie wa...

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  14. The Phenomena of photoelectric effect and Compton effect will conform

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  15. A solid sphere of radius R/2 is cut out of a solid sphere of radius R ...

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  16. Select wrong statement.

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  17. A stone is projectef from level ground such that its horizontal and ve...

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  18. Photon of frequency v has a momentum associated with it. If c is the v...

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  19. Moseley's law for characteristic X-rays is sqrt v = a(Z-b). In this,

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  20. In the pure inductive circuit, the curves between frequency f and reci...

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