Physics In MRI machine, which one of the following is used? Magnetic wave Sound wave X-ray Ultra-sound wave Magnetic wave Sound wave X-ray Ultra-sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 36 12 24 50 36 12 24 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
Physics At what temperature (in Fahrenheit) pure water freezes? 37 48 32 37 48 32 ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its speed will increase Both speed and acceleration will increase It will fall with a constant speed and acceleration Its acceleration will increase Its speed will increase Both speed and acceleration will increase It will fall with a constant speed and acceleration Its acceleration will increase ANSWER DOWNLOAD EXAMIANS APP