Post-UTME Physics 2009 Objective — Question 6
Question 6 of 10 from the Post-UTME Screening (Post-UTME) Physics 2009 Objective paper, with the correct answer and a full explanation.
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A simple pendulum with a period of 2.0s has its length doubled. Its new period is
- A. 1.005s
- B. 1.41s
- C. 0.35s
- D. 2.03s
Explanation
T∝√L, so doubling L multiplies T by √2: 2.0×√2≈2.83s.
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