Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: Density of liquid None of these Sound under water Atmospheric humidity Density of liquid None of these Sound under water Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water mercury has greater visibility than water specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on Huyghens' principle The inverse square law The laws of reflection The laws of refraction Huyghens' principle The inverse square law The laws of reflection The laws of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays B-rays X-rays G-rays A-rays B-rays X-rays G-rays ANSWER DOWNLOAD EXAMIANS APP
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