Physics Brightness of bulb depends on voltage or current? Both A & B None Voltage Current Both A & B None Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Inverted Convex Concave Plain Inverted Convex Concave Plain ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Equal to that of light Equal to that of sound Greater than that of light Less than that of light Equal to that of light Equal to that of sound Greater than that of light Less than that of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Chemical energy Potential energy Electrical energy Heat energy Chemical energy Potential energy Electrical energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
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