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Q. Erg cross Sec is the unit of
Erg * Sec is the unit of Planck's Constant.
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Q. Propagation of sound can be visualised as propagation of ________ variations in the medium
Q. Through which one among the following materials does sound travel slowest?
Q. A photostat machine works on
Q. Water stored in earthen jar remain cool because
Q. Lakes freeze in cold countries in winter, leaving the water underneath at
Q. Which of the following is a compound machine?
Q. The unit of measurement of noise is
Q. In which of the following industries is mica as a raw material?
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