Physics The device used to convert solar energy into electricity is Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Gaps Densities Irregularities Smoothness Gaps Densities Irregularities ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Pascal's law Conservation of mass principle Archimedes principle Boyle's law Pascal's law Conservation of mass principle Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Infrared rays X–rays Ultraviolet rays Visible light Infrared rays X–rays Ultraviolet rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The frictional force The centripetal force All listed here The centrifugual force The frictional force The centripetal force All listed here The centrifugual force ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Joule per kelvin Newton per kelvin Watt per kelvin Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin Pascal per kelvin ANSWER DOWNLOAD EXAMIANS APP
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