Physics A thin oil film on a water surface appears coloured because of Polarization Diffraction Interference Reflection Polarization Diffraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Electricity is transmitted over long distances It is cheaper It is fast It is safer There is less wastage of energy It is cheaper It is fast It is safer There is less wastage of energy ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Infrasonic wave Ultrasonic wave Microwave Audible wave Infrasonic wave Ultrasonic wave Microwave Audible wave ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its velocity wavelength amplitude frequency velocity wavelength amplitude frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Thermal Expansion Revolution Evaporation Convection Thermal Expansion Revolution Evaporation ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Helps the engine in keeping the speed uniform Accelerates the speed of the engine Decreases the moment of inertia Gives strength to the engine Helps the engine in keeping the speed uniform Accelerates the speed of the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP