Physics Friction is caused by the ________ on the two surfaces in contact. Gaps Densities Smoothness Irregularities Gaps Densities Smoothness Irregularities 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: Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, which one does not have identical dimension? Work and Torque Impulse and Momentum Moment of inertia and moment of a force Angular momentum and Planck's constant Work and Torque Impulse and Momentum Moment of inertia and moment of a force Angular momentum and Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Physics On which principle does the hydraulic lift works? Archimedes's law Newton's law Pascal's law Joule's law Archimedes's law Newton's law Pascal's law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Physics If there were no gravity, which of the following will not be there for a fluid? Surface Tension Pressure Viscosity Upward Thrust Surface Tension Pressure Viscosity Upward Thrust ANSWER DOWNLOAD EXAMIANS APP
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