Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Scattering of light Refraction of light Reflection of light Dispersion of light Scattering of light Refraction of light Reflection of light Dispersion of light 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 2R 3R/4 R/2 5R/4 2R 3R/4 R/2 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because The atmosphere scatters blue colour more than the others All colours interfere to produce blue In white light, the blue component dominates It is actually blue The atmosphere scatters blue colour more than the others All colours interfere to produce blue In white light, the blue component dominates It is actually blue ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components can not be developed within an ''integrated circuit'? Diode Transistor Triode Transformer Diode Transistor Triode Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Ramp Bicycle Knife Screw Ramp Bicycle Knife Screw ANSWER DOWNLOAD EXAMIANS APP
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