Direction: In each of the following questions, a Statement of assertion is given followed by a corresponding Statement of reason.
Assertion (A) The focal length of lens does not change, when red light is replaced by blue light. 
Reason (R) The focal length of lens does not depends on colour of light used.

1.  Both assertion and reason are true and reason is the correct explanation of assertion
2.  Both assertion and reason are true but reason is not the correct explanation of assertion
3.  Assertion is true but reason is false
4.  Both assertion and reason are false

Direction: In each of the following questions, a Statement of assertion is given followed by a corresponding Statement of reason.
Assertion (A) When two coils are wound on each other, the mutual induction between the coils is maximum. 
Reason (R) Mutual induction does not depend on the orientation of the coils

1.  Both assertion and reason are true and reason is the correct explanation of assertion
2.  Both assertion and reason are true but reason is not the correct explanation of assertion
3.  Assertion is true but reason is false
4.  Both assertion and reason are false

Direction: In each of the following questions, a Statement of assertion is given followed by a corresponding Statement of reason.
Assertion (A) Hydrogen atom consists of only one electron but its emission spectrum has many lines. 
Reason (R) Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.

1.  Both assertion and reason are true and reason is the correct explanation of assertion
2.  Both assertion and reason are true but reason is not the correct explanation of assertion
3.  Assertion is true but reason is false
4.  Both assertion and reason are false