Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water specific heat of mercury is more than water density of mercury is more than the water specific heat of mercury is less than water mercury has greater visibility than water specific heat of mercury is more than water density of mercury is more than the water specific heat of mercury is less than water ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Upward thrust due to air Viscous force exerted by air Surface tension Air current Upward thrust due to air Viscous force exerted by air Surface tension Air current ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Heat Motion Sound Pressure Heat Motion Sound Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Violet Yellow Red White Violet Yellow Red White ANSWER DOWNLOAD EXAMIANS APP