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The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities. 230. (4) Bats use echolocation to navigate and forage, often in total darkness. They generally emerge from their roosts in caves, attics, or trees at dusk and hunt for insects into the night.
Which of the following Flat is vacant?
Which garment is pink in colour?
Which of the following is true with respect to V as per the given information?
Ishu purchased his bungalow how many years after Deepa?
Who among the following person likes Liberty?
Which carton is kept at third place above U?
Study the following information carefully and answer the given questions:
(i) Six students P, Q, R, S, T and U are in different branches of E...
How many persons stand between B and H?
Read the directions carefully and answer the following questions.
Seven person A, B, C, D, E, F, and G live in a three floored building. Two p...
Which of the following statement is true?