Physics Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum? Geiger and Marsdens experiment on scattering of alpha particles Lamb-Rutherford experiment Bunsen and Kirchhoff's experiment Barkla's experiment on scattering of X-rays Geiger and Marsdens experiment on scattering of alpha particles Lamb-Rutherford experiment Bunsen and Kirchhoff's experiment Barkla's experiment on scattering of X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals are good conductor of heat plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics plastics have a lower density than metals metals are good conductor of heat plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Both Refraction and Total internal reflection of light Refraction of light Reflection of light Total internal reflection of light Both Refraction and Total internal reflection of light Refraction of light Reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All water will become ice All ice will melt No change will happen Only some ice will melt All water will become ice All ice will melt No change will happen Only some ice will melt ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Reflection Refraction Total internal reflection Rectilinear propagation of light Reflection Refraction Total internal reflection Rectilinear propagation of light ANSWER DOWNLOAD EXAMIANS APP
Physics Ohm's law is valid in case of Semiconductor Superconductor Insulator Conductor Semiconductor Superconductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
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