EASY
Earn 100
Describe the construction of photoelectric cell.
Important Questions on Photoelectric Emission and Production and Properties of X-rays
EASY
Consider the following statements regarding the photoelectric effect experiment:
(I) Photoelectrons are emitted as soon as the metal is exposed to light.
(II) There is a minimum frequency below which no photo-current is observed.
(III) The stopping potential is proportional to the frequency of light.
(IV) The photo-current varies linearly with the intensity of the light.
Which of the above statements indicate that light consists of quanta (photons) with energy proportional to frequency?
EASY
Select the WRONG statement. Photocells are used in
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What are photoelectric cells and its types?
HARD
What is a photoelectric cell?
EASY
A photoelectric cell converts
HARD
What is a photocell? Mention the different types of photocells.
EASY
The photoelectric cell is a device which converts light energy into electrical energy. The photo electric cells are of three types:
MEDIUM
Explain any two applications of photoelectric cell.
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Photoelectric cell is NOT used in
HARD
Mention some applications of photoelectric cell.
HARD
Briefly explain the working of a photoelectric cell.
EASY
A photoelectric cell converts
MEDIUM
Photocell works on the principle of
EASY
A photo cell is a device which
EASY
The cathode and anode in a photocell are respectively
HARD
Give the construction and working of photo emissive cell.
MEDIUM
Describe construction and explain working of photoelectric cell.
EASY
The symbol for photocell is
EASY
Photo cell is a device in which light energy is converted into
MEDIUM
Photocell works on the principle of
