Physics Which of the following is the fastest communication channel? Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity None of these Inertia Acceleration Zero gravity None of these Inertia Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A measure of sound level A musical note A musical instrument The wavelength of noise A measure of sound level A musical note A musical instrument ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-phonon interaction Electron-electron interaction Electron-photon intercation Phonon-phonon interaction Electron-phonon interaction Electron-electron interaction Electron-photon intercation Phonon-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics The final image in a simple microscope is Real, diminished and inverted Real, magnified and erect Virtual, diminished and erect Virtual, magnified and erect Real, diminished and inverted Real, magnified and erect Virtual, diminished and erect Virtual, magnified and erect ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 ANSWER DOWNLOAD EXAMIANS APP
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