Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Remain same Three times Double Four times Remain same Three times Double Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Echolocation is an adaptation bats use to Locate flowering plants Hunt insects in flight All of these Find warm places for hibernation Locate flowering plants Hunt insects in flight All of these Find warm places for hibernation ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Laser Radar Sonar Maser Laser Radar Sonar Maser ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Visible light Ultra-violet rays Fluorescent light Infra-red rays Visible light Ultra-violet rays Fluorescent light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP