Physics Minimum number of unequal vectors which can give zero resultant are more than four two four three more than four two four three ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 2p/ 3 P P/3 3P 2p/ 3 P P/3 3P ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water will overflow change its meniscus depressed will not rise will overflow change its meniscus depressed will not rise ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP