Evaluate the separation d of the slits
The light of wavelength 671 nm is incident on the double slit. The angle among the central bright fringe and the second dark fringe is 4.90°. Find out the separation d of the slits.
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An LC circuit consists of a capacitance of 30 µF and an inductance of 15 mH. AT time t = 0 the charge on the capacitor is around 10 µC and the current is 20 mA. The utmost charge on the capacitor is:
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At what height above sea level does he make the measurement? A mountaineer in the Rockies measures the air pressure to be 10% below that at sea level. At this altitude he finds a small mountain lake of fresh water which is4.3m deep at its deepest
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