EASY
Earn 100
What is Photoemissive cell used for?
Important Questions on Photoelectric Emission and Production and Properties of X-rays
HARD
Explain the working of photo emissive cell. Write any two applications of photoelectric cells.
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
What are the types of photo-emissive cells?
HARD
What is a photoelectric cell?
EASY
Which gas is filled inside the photoelectric cell?
EASY
What is the advantage of gas-filled Photoemissive cell over vacuum Photoemissive cell?
HARD
What is the different type of photoelectric cells? Describe them. What are their practical uses?
EASY
Photoelectric cell is NOT used in
HARD
Briefly explain the working of a photoelectric cell.
EASY
A photo cell is a device which
MEDIUM
Which of the following is/are correct graph for photoelectric effect?
EASY
What are photoelectric cells made of?
MEDIUM
Photocell works on the principle of
EASY
At what condition the Photoemissive cell will work?
HARD
Give the construction and working of photo emissive cell.
MEDIUM
It is essential to consider light as a stream of photons to explain?
MEDIUM
Describe construction and explain working of photoelectric cell.
HARD
What is a photocell? Mention the different types of photocells.
MEDIUM
Photocell works on the principle of
EASY
What is a photoemissive cell?
