Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will Remain the same Fall Rise First rise and then fall Remain the same Fall Rise First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust Compressing air in the cylinders An electrical spark The battery Using heat from exhaust Compressing air in the cylinders An electrical spark The battery ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography Vehicles Cinema projectors ANSWER DOWNLOAD EXAMIANS APP
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