Physics Who gave black hole theory? Isaac Newton None of these Stephen Hawking Albert Einstein Isaac Newton None of these Stephen Hawking Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil is lighter than water water has a higher surface tension Oil does not mix with water Oil is more viscous Oil is lighter than water water has a higher surface tension Oil does not mix with water Oil is more viscous ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 4 metres 3 metres 2 metres 1 metre 4 metres 3 metres 2 metres 1 metre ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Super cooling stands for cooling of a liquid : Above melting point Below freezing point At melting point At freezing point Above melting point Below freezing point At melting point At freezing point ANSWER DOWNLOAD EXAMIANS APP
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