Physics A black body can absorb radiations of : Intermediate wavelengths only Lower wavelengths only Higher wavelengths only All wavelengths Intermediate wavelengths only Lower wavelengths only Higher wavelengths only All wavelengths ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 80 J 2268 J 4.2 J 336 J 80 J 2268 J 4.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics A falling drop of rain water acquires the spherical shape due to Surface Tension Viscosity Gravitational force Atmospheric pressure Surface Tension Viscosity Gravitational force Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It jolts It lowers It sways It rises a little It jolts It lowers It sways It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by Newton's third law of motion Magnetic properties of the ship's material Earth's gravitational force Bernoulli's principle Newton's third law of motion Magnetic properties of the ship's material Earth's gravitational force Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP