Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 30 m 0.3 m 3 m 300 m 30 m 0.3 m 3 m 300 m 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 R/2 5R/4 2R 3R/4 R/2 5R/4 2R ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Potential energy Light energy Kinetic energy Thermal energy Potential energy Light energy Kinetic energy Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Constant speed Uniformly accelerated Non-uniformly accelerated Constant velocity Constant speed Uniformly accelerated Non-uniformly accelerated Constant velocity ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction ANSWER DOWNLOAD EXAMIANS APP
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