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 The unit of force is a Derived Unit Basic Unit Fundamental Unit None of these Derived Unit Basic Unit Fundamental Unit None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Extend radially from the wire Circle the wire in closed loops None of these Both of these Extend radially from the wire Circle the wire in closed loops None of these Both of these ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Fish and other aquatic creatures can live inside a deep frozen pond because There will always be water just beneath the ice level Ice is a bad conductor of heat They can adapt themselves to live in ice Fish are cold-blooded animals There will always be water just beneath the ice level Ice is a bad conductor of heat They can adapt themselves to live in ice Fish are cold-blooded animals ANSWER DOWNLOAD EXAMIANS APP
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