Physics Permissible noise level at Residential area during night time is : 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining white Shining black Rough black Rough white Shining white Shining black Rough black ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Work input > work output Both A & B None of these These make work easier Work input > work output Both A & B None of these 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 Increasing the radius of the capillary tube Decreasing the radius of the capillary tube None of these Increasing the height of water in the vessel Increasing the radius of the capillary tube Decreasing the radius of the capillary tube None of these Increasing the height of water in the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics Which liquid is the most viscous? Water Milk Diesel Oil Water Milk Diesel Oil ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Accelerates the speed of the engine Decreases the moment of inertia Gives strength to the engine Helps the engine in keeping the speed uniform Accelerates the speed of the engine Decreases the moment of inertia Gives strength to the engine Helps the engine in keeping the speed uniform ANSWER DOWNLOAD EXAMIANS APP