Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Microscope Telescope Photometer Spectrometer Microscope Telescope Photometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Black box Blind box Altitude meter Dark box Black box Blind box Altitude meter Dark box ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Decreasing the radius of the capillary tube Increasing the radius of the capillary tube None of these Increasing the height of water in the vessel Decreasing the radius of the capillary tube Increasing the radius of the capillary tube None of these Increasing the height of water in the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour in the atmosphere is measured in terms of Humidity Droplets Smog All of these Humidity Droplets Smog All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: Both its limbs are of unequal length. The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. The temperature of the liquids in the two vessels are the same. ANSWER DOWNLOAD EXAMIANS APP