Physics Eclipses occur due to which optical phenomena? Rectilinear propagation Diffraction Refraction Reflection Rectilinear propagation Diffraction Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermometer Thermistor Thermocouple Pyrometer Thermometer Thermistor Thermocouple Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break None of these Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break None of these Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 32 Hz 15 Hz 5 Hz 20 Hz 32 Hz 15 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Conduction Insolation Convection Radiation Conduction Insolation Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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