Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Shaving mirros Car headlights Dentists mirros Driving mirrors Shaving mirros Car headlights Dentists mirros Driving mirrors ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Increases Becomes Zero Remains constant Decreases Increases Becomes Zero Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Water Glass Vacuum Air Water Glass Vacuum Air ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? V Raman S Chandra Shekhar Niels Bohr Edwin Hubble V Raman S Chandra Shekhar Niels Bohr Edwin Hubble ANSWER DOWNLOAD EXAMIANS APP