Understanding Wave – Oscillation, Q1

Understanding Wave – Oscillation, Q1

Postby Author on Tue Jul 08, 2008 5:11 pm

This question is one of the questions in Malaysia SPM Physics Form 5 - One-School Free Books, Chapter 1, Oscillation You are encouraged to attempt this question before taking part in the discussion.

1. A pendulum is oscillating with amplitude 2cm and frequency 1.5Hz. Which of the following graphs correctly shows the displacement of the pendulum bob against time?

A:
Image
B:
Image
C:
Image
D:
Image


Answer: B

Explanation:

work_tgr wrote:1.5 Hz means 1 second to complete 1.5 oscillation.
Thus, answer "B" is correct.


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Re: Understanding Wave – Oscillation, Q1

Postby zacknistelrooy on Tue Jul 15, 2008 10:00 pm

something wrong with the question all the frequency of the graphs do not get 1.5 Hz
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Re: Understanding Wave – Oscillation, Q1

Postby work_tgr on Tue Jul 15, 2008 10:20 pm

It's "displacement - time" graph.
1.5 Hz means 1 second to complete 1.5 oscillation.
Thus, answer "B" is correct.
Be thankful.
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Re: Understanding Wave – Oscillation, Q1

Postby zacknistelrooy on Fri Jul 18, 2008 4:40 pm

work_tgr wrote:It's "displacement - time" graph.
1.5 Hz means 1 second to complete 1.5 oscillation.
Thus, answer "B" is correct.

i though it takes 1.5 second for one wave length
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Re: Understanding Wave – Oscillation, Q1

Postby work_tgr on Fri Jul 18, 2008 6:22 pm

zacknistelrooy wrote:
work_tgr wrote:It's "displacement - time" graph.
1.5 Hz means 1 second to complete 1.5 oscillation.
Thus, answer "B" is correct.

i though it takes 1.5 second for one wave length

1.5 seconds for one wave length is "Period, T".
Be thankful.
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Re: Understanding Wave – Oscillation, Q1

Postby cheatie on Sat Jan 31, 2009 12:49 am

i might answer dis quest as a..
thax 4 da m0derat0r..
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