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Why is a photoelectric cell also called ...

Why is a photoelectric cell also called an electric eye?

A

LED

B

Photocell

C

Integrated chip (IC)

D

Solar cell

Text Solution

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-DUAL NATURE OF RADIATION AND MATTER -WAVE NATURE OF MATTER
  1. The matter-wave picture of electromagnetic wave/radiation elegantly in...

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  2. Wave theory cannot explain the phenomena of A. Polarization , B.Di...

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  3. Why is a photoelectric cell also called an electric eye?

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  4. In which of the following photocell is not used ?

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  5. The de Broglie wavelength is given by

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  6. Which of these particles having the same kinetic energy has the larges...

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  7. Consider the four gases hydrogen, oxygen, nitrogen and helium at the s...

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  8. A particle of mass 4m at rest decays into two particles of masses m an...

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  9. If a proton and electron have the same de Broglie wavelength, then

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  10. The energy that should be added to an electron to reduce its de - Brog...

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  11. If alpha particle, proton and electron move with the same momentum, th...

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  12. Two particles A(1) and A(2) of masses m(1), m(2) (m(1)gtm(2)) have the...

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  13. A particle moves in a closed orbit around the origin, due to a force w...

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  14. A particle A with a mass m(A) is moving with a velocity v and hits a p...

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  15. The de Broglie wavelength associated with a ball of mass 150 g travell...

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  16. Which of the following figure represents the variation of particle mom...

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  17. Relativistic corrections become necessary when the expression for the ...

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  18. A proton and an alpha - particle are accelerated through same potentia...

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  19. The deBroglie wavelength of a particle of kinetic energy K is lamda. W...

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  20. When the velocity of an electron increases, its de Broglie wavelength

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