Physics Solar energy is due to Combustion reactions Fusion reactions Chemical reactions Fission reactions Combustion reactions Fusion reactions Chemical reactions Fission reactions ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant Its momentum remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations Absorbing cosmic ray particles 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 Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Gamma-emission Beta-emission Oxidation Alpha-emission Gamma-emission Beta-emission Oxidation Alpha-emission ANSWER DOWNLOAD EXAMIANS APP
Physics The Law of Kepler is related with which among the following ? Planetary Motion Law of Gravitation Law of Conservation of energy None Planetary Motion Law of Gravitation Law of Conservation of energy None ANSWER DOWNLOAD EXAMIANS APP