Physics Which of the following is not true about X-rays? Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics In sunlight a rose appears red. In green light, the same rose appears Red Green Black Yellow Red Green Black Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db < 85 db > 85 db None of these = 85 db < 85 db > 85 db None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called Chromatography Auto radiography All listed here Centrifugation Chromatography Auto radiography All listed here Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Roentgen None of these Coolidge tube X-ray tube Roentgen None of these Coolidge tube X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet ANSWER DOWNLOAD EXAMIANS APP