Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Air to water Glass to water Air to glass Water to glass Air to water Glass to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics A machine powered by rotating blades is a None of these Turbines Fumerole Solar panel None of these Turbines Fumerole Solar panel ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called ultrasonic infrasonic audio sounds supersonics ultrasonic infrasonic audio sounds supersonics ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centrifugal force Weight Gravity Centripetal force Centrifugal force Weight Gravity Centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Pyrometer Thermistor Thermometer Thermocouple Pyrometer Thermistor Thermometer ANSWER DOWNLOAD EXAMIANS APP