Assertion : The number of electrons in a P-type silicon semiconductor is less than the number of electrons in a pure silicon semiconductor at room temperature. Reason : It is due to law of mass action. [AIIMS 2005]

• A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
• B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
• C. \[\frac{2\pi }{\sqrt{3}}\]  
• D. If the assertion and reason both are false.
• E. If assertion is false but reason is true.