SELECT * FROM question_mgmt as q WHERE id=6072 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=11 AND subId=16 AND chapterId=473 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 7th science Motion and Time a simple pendulum takes 32 s to complete 20 oscill

Question:

A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum?

Answer:

The time taken to complete one oscillation is known as time period of the pendulum.

Time period = Total time taken
                     Number of oscillations

Given - 20 oscillation taking 32 s to complete
Therefore, 1 oscillation will take = 32 sec = 1.6 second.
                                                       20
Therefore, 1.6 is the time period of the pendulum.


SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='11' AND subId='16' AND ex_no!=0 AND status=1 and id!=6072 ORDER BY views desc, last_viewed_on desc limit 0,10
SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='11' AND subId='16' AND ex_no!=0 AND status=1 and id!=6072 ORDER BY last_viewed_on desc limit 0,10

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  • Answered by Ekta Mehta
  • 4 months ago

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