Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 5R/4 R/2 2R 3R/4 5R/4 R/2 2R ANSWER DOWNLOAD EXAMIANS APP
Physics At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of Gay-Lussac's Law Boyle's Law Charle's Law Avogadro's Law Gay-Lussac's Law Boyle's Law Charle's Law Avogadro's Law ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror Convex lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Amplifier Speaker Microphone Transmitter Amplifier Speaker Microphone Transmitter ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 11 Km/Sec. 15 Km/Sec. 5 Km/Sec. 6 Km/Sec. 11 Km/Sec. 15 Km/Sec. 5 Km/Sec. 6 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
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