Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 0.12847222222222 2.0958333333333 0.21041666666667 1.0479166666667 0.12847222222222 2.0958333333333 0.21041666666667 1.0479166666667 ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because It is covered. Water boils at a higher temperature under pressure. None of these Less quantity of water is used. It is covered. Water boils at a higher temperature under pressure. None of these Less quantity of water is used. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Asbestos Celluloid Mica Rubber Asbestos Celluloid Mica Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Pressure difference Capillary action Low viscosity of oil Gravitational force Pressure difference Capillary action Low viscosity of oil Gravitational force ANSWER DOWNLOAD EXAMIANS APP