Physics Friction is caused by the ________ on the two surfaces in contact. Gaps Densities Irregularities Smoothness Gaps Densities Irregularities Smoothness ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Johannes Kepler Martin Luther Copernicus Galileo Johannes Kepler Martin Luther Copernicus ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed Near the hinges Away from mid-point opposite to hinges In the middle None of these Near the hinges Away from mid-point opposite to hinges In the middle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Polarisation Refraction Interference Reflection Polarisation Refraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
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