While tuning in a certain broad cast sta...

While tuning in a certain broad cast station with a receiver, we are actually

Varying the local oscillator frequency

Varying the frequency of the radio signal to be picked up

Tuning the antenna

None of these

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When we are looking at star into a clear night sky, we are actually peeping into past, Above sentence indicates that

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In future earth will become star

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While tuning in a certain broad cast station with a receiver, we are actually

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When we are looking at star into a clear night sky, we are actually peeping into past, Above sentence indicates that

While you board a train at a station, you find a suitcase beneath your seat. You would

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