Nicky Asked a Question
December 4, 2021 4:37 pmpts 30 pts
A clock takes 5 seconds to strike 5 times at 5 O'clock. How long will it take to strike 9 times at 9 O'clock ? (1) 9 seconds (2) 10 seconds (3) 12 seconds (4) 8 seconds If the intensity of a given noise increases two-fold, the noise level in decibels (dB) increases by (1) 2dB (2) 3dB (3) 6dB (4) 10dB athor c Jobollec
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  • Rucha rajesh shingvekar thankyou
    Option (2)
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