Physics Radio waves sent out by a radio stations are reflected by Ionosphere Stratosphere Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls Into his hand By his side In front of him Behind him Into his hand By his side In front of him Behind him ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Depends on the area of the wall Depends on the thickness of the wall Increases with depth of the wall Increases with height of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with depth of the wall Increases with height of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth Their velocity increases and they fall with different velocity on the earth They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth Their velocity increases and they fall with different velocity on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot Have persistence of vision Distinguish between certain colours See black colour See distant objects Have persistence of vision Distinguish between certain colours See black colour See distant objects 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 5 R/4 R/5 4 R/5 5 R 5 R/4 R/5 4 R/5 5 R ANSWER DOWNLOAD EXAMIANS APP
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