Physics In the absence of ozone layer, which rays will enter into atmosphere? X-rays Visible Ultraviolet Infrared X-rays Visible Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter per second cube Meter second Meter per second Meter per second square Meter per second cube Meter second Meter per second Meter per second square ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 273K 100K 373K 0 K 273K 100K 373K 0 K ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Water evaporates Glass reacts chemically with water Glass suddenly expands Glass suddenly contracts Water evaporates Glass reacts chemically with water Glass suddenly expands Glass suddenly contracts ANSWER DOWNLOAD EXAMIANS APP