Physics An object which absorbs all colours and reflects none appears: White Black Grey Blue White Black Grey Blue ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Daniell cell Electrochemical cell Galvanic cell Photovoltaic cell Daniell cell Electrochemical cell Galvanic cell Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria X-rays Microwave radiation Infrared rays Ultra-violet radiation X-rays Microwave radiation Infrared rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to glass Glass to air Glass to water Water to air Water to glass Glass to air Glass to water Water to air 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 Total internal reflection of light Reflection of light Both Refraction and Total internal reflection of light Refraction of light Total internal reflection of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Circle the wire in closed loops Extend radially from the wire None of these Both of these Circle the wire in closed loops Extend radially from the wire None of these Both of these ANSWER DOWNLOAD EXAMIANS APP
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