Physics Optical fibre works on which of the following principle of light? Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Surface tension Pressure Gravity Viscosity Surface tension Pressure Gravity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is None of these Elliptical Spiral Circular None of these Elliptical Spiral Circular ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to diffraction dispersion polarization interference diffraction dispersion polarization interference ANSWER DOWNLOAD EXAMIANS APP
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