Q. While tuning in a certain broadcast station with a receiver, we are actually
A) Varying the local oscillator frequency
B) Varying the frequency of the radio signal to be picked up
C) Tuning the antenna
D) None of these
Explanation
The correct answer is Option A: Varying the local oscillator frequency.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.