Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Higher wavelengths only Lower wavelengths only All wavelengths Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths Intermediate wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They fly inactively They use less oxygen They have extra air sacs Their lungs are very large They fly inactively They use less oxygen They have extra air sacs 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
Physics Which of the following has the longest wavelength? Ultraviolet radiation X-ray radiation Visible radiation Infrared radiation Ultraviolet radiation X-ray radiation Visible radiation Infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear White Black Deep red Blue White Black Deep red Blue ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS