Physics For which of the following substances, the resistance decreases with increase in temperature? Copper Nichrome Pure silicon Platinum Copper Nichrome Pure silicon Platinum ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The potential energy of the gas molecules is zero The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. The speed of all gas molecules is same The potential energy of the gas molecules is zero The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. The speed of all gas molecules is same ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Bathymeter Ceraunograph Barometer Cyanometer Bathymeter Ceraunograph Barometer Cyanometer ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray Ultraviolet ray G-ray Infrared ray X-ray Ultraviolet ray G-ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer is rising air pressure is Zero Increasing Decreasing Constant Zero Increasing Decreasing Constant ANSWER DOWNLOAD EXAMIANS APP