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 A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect? Bubbles remain distributed uniformly Near the neck Near the bottom In the middle of the bottom Bubbles remain distributed uniformly Near the neck Near the bottom In the middle of the bottom ANSWER DOWNLOAD EXAMIANS APP
Physics Mist is caused by Ice at low temperature Carbon-monoxide in solid form Dry ice Water vapour at low temperature Ice at low temperature Carbon-monoxide in solid form Dry ice Water vapour at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Electrons at rest Circular motion of electrons All neutrons at rest Protons at rest Electrons at rest Circular motion of electrons All neutrons at rest Protons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) The gold piece will weigh more Both silver and gold pieces weigh equal The silver piece will weigh more Weighing will depend on their masses The gold piece will weigh more Both silver and gold pieces weigh equal The silver piece will weigh more Weighing will depend on their masses ANSWER DOWNLOAD EXAMIANS APP
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