Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Modulation Amplification Rectification Filtration Modulation Amplification Rectification Filtration ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Water Vacuum Glass Air Water Vacuum Glass Air ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Depletion of ozone layer in the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Loudness of sound depends on Frequency Amplitude Pitch Wavelength Frequency Amplitude Pitch Wavelength ANSWER DOWNLOAD EXAMIANS APP
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