Physics The base of an electric iron is brightly polished mainly To make it rust-proof To reduce heat loss by radiation To make it smooth and frictionless To make it more durable To make it rust-proof To reduce heat loss by radiation To make it smooth and frictionless To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Solar All of these Water Air Solar All of these Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Isotopes of an element contain the same number of neutrons but different number of protons equal number of protons and electrons the same number of protons but different number of neutrons equal number of nucleons the same number of neutrons but different number of protons equal number of protons and electrons the same number of protons but different number of neutrons equal number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Weight Upthrust Mass Both (A) and (B) Weight Upthrust Mass Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Becomes infinite Decreases Does not change Increases Becomes infinite Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph ANSWER DOWNLOAD EXAMIANS APP
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