Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. Less density than dry air. Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. Less pressure than dry air. More pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to A series of refractions A surface tension phenomenon A series of reflections Multiple diminishing brightness A series of refractions A surface tension phenomenon A series of reflections Multiple diminishing brightness ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to low temperature Due to low air pressure Due to high humidity Due to ozone Due to low temperature Due to low air pressure Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Friction Muscular force Electrostatic force Magnetic force Friction Muscular force Electrostatic force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance ANSWER DOWNLOAD EXAMIANS APP
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