SELECT * FROM question_mgmt as q WHERE id=4223 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=192 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
Explain how sound is produced by your school bell.
When the school bell is struck with a hammer, it starts vibrating. This disturbance gives rise to the bell moving forward, it pushes the air in front of it. As a result of these vibrations, sound waves are produced.
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Report a problem on Specifications:
Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.
Report a problem on Specifications: