Physics Who among the following discovered X-rays? James Chadwick Marie Curie W.C Roentgen J.J Thomson James Chadwick Marie Curie W.C Roentgen J.J Thomson ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Light Heat Sound Electromagnetic Light Heat Sound Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Radiation Reflection Convection Conduction Radiation Reflection Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Remains the same First decrease and then increase Decrease Increase Remains the same First decrease and then increase Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Friction can be reduced by changing from Sliding to Rolling Dynamic to Static Static to Dynamic Rolling to Sliding Sliding to Rolling Dynamic to Static Static to Dynamic Rolling to Sliding ANSWER DOWNLOAD EXAMIANS APP