Question No. 9
रयतवारी पद्धती भारतात कोणत्या वर्षी लागु
करण्यात आली?
Answer
A.O इ.स. 1833
B.O इ.स. 1820
C.O इ.स. 1810
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MARATHI ENGLISH
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Answer:
Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz
Explanation:
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