Given below are two statements:

Statement$I$: Photovoltaic devices can convert optical radiation into electricity.

Statement$II$: Zener diode is designed to operate under reverse bias in breakdown region.

In the light of the above statements, choose the most appropriate answer from the options given below:

• A

  Statement $I$ is incorrect but Statement $II$ is correct.
• Correct answer
  B

  Both Statement$I$ and Statement$II$ is correct.
• C

  Both Statement $I$ and Statement $II$ is incorrect.
• D

  Statement $I$ is correct but Statement $II$ is incorrect.

Hence, the correct answer is option: 'B'.