Physics Least audible sound for most of the human ear is : 5.0 µ bar 0.005 µ bar 0.0002 µ bar 10.0 µ bar 5.0 µ bar 0.005 µ bar 0.0002 µ bar 10.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P 2p/ 3 P/3 3P P 2p/ 3 P/3 3P ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: Atmospheric humidity Sound under water Density of liquid None of these Atmospheric humidity Sound under water Density of liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Who indirectly determined the mass of the electron by measuring the charge of the electron? Millikan Thomson Einstein Rutherford Millikan Thomson Einstein Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Stratosphere Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere Chromosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Bernoulli's Principle Total internal reflection of Light Photoelectric effect Newton's law of Motion Bernoulli's Principle Total internal reflection of Light Photoelectric effect Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
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