Physics Acceptable noise level for human ear None of these < 85 db = 85 db > 85 db None of these < 85 db = 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Daniell cell Electrochemical cell Photovoltaic cell Galvanic cell Daniell cell Electrochemical cell Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Increase Decrease Remains the same First decrease and then increase Increase Decrease Remains the same First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Convex lens Concave lens Glass slab Prism Convex lens Concave lens Glass slab Prism ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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