Home
Class 12
CHEMISTRY
Assertion:Diode is a combination of n-ty...

Assertion:Diode is a combination of n-type and p-type semiconductors.
Reason: The solar cell is an efficient photo-diode used for conversion of light energy into electrical energy .

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THE SOLID STATE

    NCERT FINGERTIPS ENGLISH|Exercise Amorphous And Crystalline Solids|3 Videos

  • THE SOLID STATE

    NCERT FINGERTIPS ENGLISH|Exercise Classification Of Crystalline Solids|7 Videos

  • THE SOLID STATE

    NCERT FINGERTIPS ENGLISH|Exercise EXEMPLAR PROBLEMS|37 Videos

  • THE P-BLOCK ELEMENTS

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A junction diode , in which one of the p or n - sections is made very thin, can be used to convert light energy into electrical energy, then the diode is called

A nuclear reactor using .^(235)U generates 250 MW of electric power. The efficiency of the reactor (i.e., efficiency of conversion of thermal energy into electrical energy) is 25% . What is the amount of .^(235)U used in the reactor per year? The thermal energy released per fission of .^(235)U is 200 MeV .

Assertion: In reverse biased condition a p-n junction diode does not conduct. Reason: In reverse biased condition a diode has zero resistance.

Assertion:Electrolytic cell uses electrical energy to carry non-spontaneous chemical reactions. Reason : Chemical energy of a spontaneous redox reaction can be converted into electrical energy.

Assertion (A) : Group- 13 -doped crystals of Si are called p -type semiconductors. Reason (R ) : Positive holes are reasponsible for the semiconducting properties.

Assertion (A) : Group- 13 -doped crystals of Si are called p -type semiconductors. Reason (R ) : Positive holes are reasponsible for the semiconducting properties.

(a) What is meant by the terms: (i) a full wave rectifier (ii) a photodiode (iii) a LED? (b) Draw energy band diagrams of n-type and p-type semiconductors at temperature T gt 0 K. Mark the donor and acceptor energy levels with their energies.

With reference to semiconductor devices, define a p-type semiconductor and a Zener diode. What is the use of a Zener diode?

Assertion : The sun is the ultimate source of all types of energies and sustains life on earth. Reason : The solar energy gets converted into all types of energies present on the earth.

Draw energy band diagram of p & n type semiconductors. Also write two differences between p and n type semiconductors.