Physics During hot weather, the fan produces a feeling of comfort. This is because Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Velocity Displacement Frequency Acceleration Velocity Displacement Frequency Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? X-rays Cosmic rays Microwaves Radio waves X-rays Cosmic rays Microwaves Radio waves 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 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 Increasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A load A step down device A thermopile A safety device A load A step down device A thermopile A safety device ANSWER DOWNLOAD EXAMIANS APP