Question

Assertion :Electrons in $K$-shell revolve in circular orbit. Reason: Principal quantum number '$n$' is equal to $1$ for the electrons in $K$-shell.

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
• C. Assertion is correct but Reason is incorrect
• D. Assertion is incorrect but Reason is correct

Answer 1

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

According to Bohr's model electrons in K- shell revolve in circular orbit.

First shell is known as K- shell, so n=1.

Here there is no relation between Assertion and Reason.