Physics Which of the following is not true about X-rays? Have low penetrating power Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power Can be reflected or refracted Travel with the speed of light Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? R-Ray Cathode Ray Infrared Ray X-Ray R-Ray Cathode Ray Infrared Ray X-Ray ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Pascal's law Archimedes' principle Newton's law Bernoulli's principle Pascal's law Archimedes' principle Newton's law Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Seismograph Thermograph Ediograph Ergograph Seismograph Thermograph Ediograph Ergograph ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Power Voltage Current Resistance Power Voltage Current Resistance ANSWER DOWNLOAD EXAMIANS APP