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The atomic spectra of hydrogen are explained by
The audible range of sound for an average adult human being is _.
The audio signals of TV are
The average power (in watts) used by a 20 to 25 inch home color television is?
The base of an electric iron is brightly polished mainly
The basic reason for the extraordinary sparkle of suitably cut diamond is that
The bats can fly in the dark because
The Bernoulli’s theorem is
The best colours for a sun umbrella will be
The best conductor of heat among liquids is
