Physics What are the particles emitted by radioactive element after 3 consecutive disintegration? 2 beta 2 alpha 2 alpha 1 beta 2 beta 1 alpha 1 alpha 1 beta 2 beta 2 alpha 2 alpha 1 beta 2 beta 1 alpha 1 alpha 1 beta ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Polarisation Interference Diffraction Reflection Polarisation Interference Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Resistance of human body in dry condition 100000 ohm 1000 ohm 10 ohm 10000 ohm 100000 ohm 1000 ohm 10 ohm 10000 ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? All of these Beta Alpha Gamma All of these Beta Alpha Gamma ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Inertia None of these Acceleration Zero gravity Inertia None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP