Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The ultraviolet rays X-rays The infra-red rays G-rays The ultraviolet rays X-rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a transverse wave? Sound waves Light waves All listed here Radio waves Sound waves Light waves All listed here Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Glass Hydrogen gas Vacuum Water Glass Hydrogen gas Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Slabs Mirrors Lenses Prisms Slabs Mirrors Lenses Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of colors Principle of calorimetry Principle of vaporization Principle of thermal equilibrium Principle of colors Principle of calorimetry Principle of vaporization Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
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