
PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoMusic has been played in two opposite galleries with a certain group of people. For example, in the first gallery, a group of 4 singers were singing, and in the second gallery, 9 singers were singing. The two galleries are separated by a distance of 70 m. Where should a person stand for hearing the same intensity of the singer's voice?
(Hint: The ratio of the sound intensity is equal to the square of the ratio of their corresponding distances.)
A person should stand from the first gallery.
A person should stand from the second gallery.