Physics Which type of radiation has the lowest penetrating ability? Gamma Beta Alpha All of these Gamma Beta Alpha All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Cool air is replaced by warm air Warm air falls down Cool air falls down Air always falls down Cool air is replaced by warm air Warm air falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Light Sound Heat Electromagnetic Light Sound Heat Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called Centrifugation Auto radiography Chromatography All listed here Centrifugation Auto radiography Chromatography All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Stratosphere Exosphere Mesosphere Ionosphere Stratosphere Exosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
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