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 have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics A solid needle placed horizontally on the surface of the water floats due to Surface tension of water Viscosity of water Water pressure Capillary action Surface tension of water Viscosity of water Water pressure Capillary action ANSWER DOWNLOAD EXAMIANS APP
Physics The freezing point of fresh water is ________ . 4°C 0°C 3°C 5°C 4°C 0°C 3°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Tesla Henry Ohm Hertz Tesla Henry Ohm Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Scattering Interference Refraction Reflection Scattering Interference Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
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