Physics Who among the following discovered X-rays? J.J Thomson W.C Roentgen James Chadwick Marie Curie J.J Thomson W.C Roentgen James Chadwick Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A vertical straight line A horizontal straight line A parabola A circle A vertical straight line A horizontal straight line A parabola A circle ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal absorption Optical rotation Scattering of light Total internal reflection Total internal absorption Optical rotation Scattering of light Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Viscosity Adhesive force Surface energy Surface tension Viscosity Adhesive force Surface energy Surface tension ANSWER DOWNLOAD EXAMIANS APP
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