Physics Beta rays emitted by a radioactive material are Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction To convert static friction into kinetic friction To convert kinetic friction into rolling friction Just for convenience To increase friction To convert static friction into kinetic friction To convert kinetic friction into rolling friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Mirrors Slabs Lenses Prisms Mirrors Slabs Lenses Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Which law relates to the ideal gas law? P1/V1 = P2/V2 P1V1 = P2V2 T1/V1 = T2/V2 P1T1 = P2T2 P1/V1 = P2/V2 P1V1 = P2V2 T1/V1 = T2/V2 P1T1 = P2T2 ANSWER DOWNLOAD EXAMIANS APP
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