Physics In the atmosphere ultraviolet rays are absorbed by Nitrogen Oxygen Helium Ozone Nitrogen Oxygen Helium Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Friction Elasticity Viscosity Surface tension Friction Elasticity Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 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 R/2 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Ultra-violet radiation Gamma radiation Infra-red radiation Microwave radiation Ultra-violet radiation Gamma radiation Infra-red radiation Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
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