Physics In a filament type light bulb most of the electric power consumed appears as Visible light Fluorescent light Infra-red rays Ultra-violet rays Visible light Fluorescent light Infra-red rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 40 4000 2000 80 40 4000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Double Remain same Four times Three times Double Remain same Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high transparency It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency It has well defined cleavage planes It has a very high refractive index It is very hard ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? X-rays Radio waves Cosmic rays Microwaves X-rays Radio waves Cosmic rays Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Magnetic image making Electromagnetic image making Electrostatic image making Thermal image making Magnetic image making Electromagnetic image making Electrostatic image making Thermal image making ANSWER DOWNLOAD EXAMIANS APP
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