Physics Which type of radiation has the lowest penetrating ability? Gamma All of these Alpha Beta Gamma All of these Alpha Beta ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective None of these combinations of lenses lens mirror None of these combinations of lenses lens mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Lead and Copper Tin and Lead Tin and Copper Copper and Silver Lead and Copper Tin and Lead Tin and Copper Copper and Silver ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric refraction Atmospheric reflection Total internal reflection Dispersion of light Atmospheric refraction Atmospheric reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Microwave radiation UV rays Visible light Gamma rays Microwave radiation UV rays Visible light Gamma rays ANSWER DOWNLOAD EXAMIANS APP
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