Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It stops due to malfunctioning It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It stops due to malfunctioning ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as Its wavelength is the longest It is a striking colour It is scattered It has very high energy Its wavelength is the longest It is a striking colour It is scattered It has very high energy ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Friction Viscosity Surface tension Elasticity Friction Viscosity Surface tension Elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Thermopile Constant volume air thermometer Six's maximum and minimum thermometer Liquid thermometer Thermopile Constant volume air thermometer Six's maximum and minimum thermometer Liquid thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Equal to each other None of these Proportional to each other Not equal to each other Equal to each other None of these Proportional to each other Not equal to each other 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 > P < P 2P P > P < P 2P ANSWER DOWNLOAD EXAMIANS APP