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 RADAR is used for: detecting and locating the position of objects such as Aeroplanes. locating submerged submarines. locating geostationary satellites. receiving a signals in a radio receiver. detecting and locating the position of objects such as Aeroplanes. locating submerged submarines. locating geostationary satellites. receiving a signals in a radio receiver. ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Osmosis Diffusion Transpiration Photosynthesis Osmosis Diffusion Transpiration Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change Decreases Increases First increases and than decreases No change Decreases Increases First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Its freezing point is very low It will not stick to the glass tube Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily Its freezing point is very low It will not stick to the glass tube Alcohol is a poor conductor of heat Alcohol can be coloured for its level to be seen easily ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Velocity of light Length of an object Space Time Velocity of light Length of an object Space Time ANSWER DOWNLOAD EXAMIANS APP
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