PDF chapter test TRY NOW
Take a metal dish. Pour water in it. Strike it at its edge by a spoon. Do you hear a sound? Again strike the plate and then touch it. Can you feel the dish vibrating? Strike the dish again. Look at the surface of water. Do you see any waves there? Now hold the dish. What change do you observe on the surface of water? Can you explain the change? Is there a hint to connect sound with the vibrations of a body?
When we strike the metal dish with a spoon, we sound.
Again, we strike the dish and touch its surface, and we vibrations.
Now we strike the dish again, and we waves in the water.
When we strike the dish and hold it, we a sound, a vibration and waves in the water.
Important!
This is an activity-based exercise. Do the activity and answer questions.
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