2. Experimentally, the free oscillation mode frequency is obtained by a read out

Question

2. Experimentally, the free oscillation mode frequency is obtained by a read out from the oscilloscope screen. A student has found that 5 full periods of the damped oscillations cover 5.0 major divisions on the horizontal scale, with time-sweep knob indicating 10 microsecond/division. What is the frequency obtained from the experimental read out? With preserved setting of the oscilloscope (and a time-sweep subdivision being 0.2 of the horizontal division), is it possible to distinguish this read out from the resonance frequency f0 theoretically obtained in Problem 1, and examined experimentally too?

Explanation / Answer

1 period covers 1 devision which is 10 micro second
so,
Period, T = 10*10^-6 s=1*10^-5 s
f = 1/T
=1/(1*10^-5 s)
=10^5 Hz
=100 KHz
Answer: 100 KHz

I dont know what came in problem 1 so i can't solve 2nd part

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.