Physics What are the particles emitted by radioactive element after 3 consecutive disintegration? 2 alpha 1 beta 2 beta 2 alpha 2 beta 1 alpha 1 alpha 1 beta 2 alpha 1 beta 2 beta 2 alpha 2 beta 1 alpha 1 alpha 1 beta ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Scattering Reflection Emission Absorption Scattering Reflection Emission Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can All of these they can work during the day and night they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can All of these they can work during the day and night ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m2 Kg/m It has no unit Kg/m3 Kg/m2 Kg/m It has no unit Kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The aperture The exposure time The focal length of the lens Size of the camera The aperture The exposure time The focal length of the lens Size of the camera ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV < lIR < lVIS LUV < lVIS < lIR LUV > lIR > lVIS LUV > lVIS > lIR LUV < lIR < lVIS LUV < lVIS < lIR LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP
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