Physics Where does hydroelectric energy come from? All of these Solar Water Air All of these Solar Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Total internal reflection of light Refraction of light Regular reflection of light Diffuse reflection of light Total internal reflection of light Refraction of light Regular reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Neutrons Electrons Electromagnetic radiations Alpha particles Neutrons Electrons Electromagnetic radiations Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane Because streamlining is required To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane Because streamlining is required To withstand pressure that is increased with atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Chemical reaction Nuclear fusion Nuclear fission All of these Chemical reaction Nuclear fusion Nuclear fission All of these ANSWER DOWNLOAD EXAMIANS APP
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