Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Seismograph Ediograph Thermograph Ergograph Seismograph Ediograph Thermograph Ergograph ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Thermometer Thermistor Pyrometer Thermocouple Thermometer Thermistor Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water will overflow depressed will not rise change its meniscus will overflow depressed will not rise change its meniscus ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear reactors used to produce electricity are based on Nuclear fusion Nuclear fission Cold fusion Superconductivity Nuclear fusion Nuclear fission Cold fusion Superconductivity ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Stratosphere Ionosphere Troposphere Ozonosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP