NEET Physics Time Period & Frequency Assertion Reason Question
Assertion (A): The amplitude of an oscillator tends to infinity when the driving frequency equals the natural frequency in the absence of damping. | Reason (R): In a real system, damping is always present, preventing the amplitude from reaching infinity.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
The NCERT context states that amplitude tends to infinity when driving frequency equals the natural frequency without damping, but damping is always present in real systems.
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