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 2R 3R/4 R/2 5R/4 2R 3R/4 R/2 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Johnson Effect Edison Effect Piezo - electric Effect Photoelectric Effect Johnson Effect Edison Effect Piezo - electric Effect Photoelectric Effect ANSWER DOWNLOAD EXAMIANS APP
Physics The Law of Kepler is related with which among the following ? Planetary Motion None Law of Conservation of energy Law of Gravitation Planetary Motion None Law of Conservation of energy Law of Gravitation ANSWER DOWNLOAD EXAMIANS APP
Physics Refrigeration is a process which Plasmolyses the bacteria Slows down the bacterial growth Inactivates the bacteria Kills bacteria Plasmolyses the bacteria Slows down the bacterial growth Inactivates the bacteria Kills bacteria ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Back scattering Mie scattering Rayleigh scattering None of these Back scattering Mie scattering Rayleigh scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics According to Rutherford's atomic model, the electrons inside an atom are None of these Not Stationary Centralized Stationary None of these Not Stationary Centralized Stationary ANSWER DOWNLOAD EXAMIANS APP
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