Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Satellite Infrared Radio frequency Microwave Satellite Infrared Radio frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Decreases Does not change May increase of decrease depending on pressure Increases Decreases Does not change May increase of decrease depending on pressure Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Peltier effect Joule effect Thomson effect Seebeck effect Peltier effect Joule effect Thomson effect Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Pure silicon Copper Nichrome Platinum Pure silicon Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
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