Physics When water freezes its density Becomes Zero Decreases Increases Remains constant Becomes Zero Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be R/5 4 R/5 5 R 5 R/4 R/5 4 R/5 5 R 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Cinema projectors Photography Vehicles Domestic lighting Cinema projectors Photography Vehicles Domestic lighting ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following group of elements are diamagnetic? Argon, copper, silver Hydrogen, oxygen, Argon Oxygen, copper, silver Hydrogen, argon, copper Argon, copper, silver Hydrogen, oxygen, Argon Oxygen, copper, silver Hydrogen, argon, copper ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Increased by a factor 2 Decreased by a factor 2 Doubled Halved Increased by a factor 2 Decreased by a factor 2 Doubled Halved ANSWER DOWNLOAD EXAMIANS APP
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