Physics After removing two electrons from helium atom it become? Gama particle X rays UV rays Alpha particle Gama particle X rays UV rays Alpha particle ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics The Hooke's law is valid for Elastic as well as plastic region of the stress strain curve Only proportional region of the stress strain curve Entire elastic region of the stress strain curve Entire stress strain curve Elastic as well as plastic region of the stress strain curve Only proportional region of the stress strain curve Entire elastic region of the stress strain curve Entire stress strain curve ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. Homi J. Bhabha Dr. P. K. Iyengar Dr. Raja Ramanna Dr. Vikram Sarabhai Dr. Homi J. Bhabha Dr. P. K. Iyengar Dr. Raja Ramanna Dr. Vikram Sarabhai ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Densities Irregularities Gaps Smoothness Densities Irregularities Gaps Smoothness ANSWER DOWNLOAD EXAMIANS APP
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