Physics Ohm's law is valid in case of Semiconductor Superconductor Conductor Insulator Semiconductor Superconductor Conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Total internal reflection of light Reflection of light Scattering of light Refraction of light Total internal reflection of light Reflection of light Scattering of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so With the same speed In the same time In the same time with the same kinetic energy In the same time with the same speed With the same speed In the same time In the same time with the same kinetic energy In the same time with the same speed ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air ANSWER DOWNLOAD EXAMIANS APP