Physics Which one among the following is not an electromagnetic wave? Cathode Ray X-Ray R-Ray Infrared Ray Cathode Ray X-Ray R-Ray Infrared Ray ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Microscope Photometer Spectrometer Telescope Microscope Photometer Spectrometer Telescope ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be > P 2P P < P > P 2P P < P ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Neither A nor B Nature of medium only Nature of signal only Both (A) and (B) Neither A nor B Nature of medium only Nature of signal only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Thomson's law Pascal's law Bernoulli's theorem Newton's law Thomson's law Pascal's law Bernoulli's theorem Newton's law ANSWER DOWNLOAD EXAMIANS APP