Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively Their lungs are very large They use less oxygen They have extra air sacs They fly inactively Their lungs are very large They use less oxygen They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Limited Non renewable Unsustainable Renewable Limited Non renewable Unsustainable Renewable ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? V Raman Niels Bohr S Chandra Shekhar Edwin Hubble V Raman Niels Bohr S Chandra Shekhar Edwin Hubble ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Light Intensity of light Time Distance Light Intensity of light Time Distance ANSWER DOWNLOAD EXAMIANS APP
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