Physics A wheel-barrow is an example of Pulley system Class II lever Class III lever Class I lever Pulley system Class II lever Class III lever Class I lever ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Altimeter Dosimeter Chronometer Anemometer Altimeter Dosimeter Chronometer Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Galileo Johannes Kepler Nicolaus Copernicus Isaac Newton Galileo Johannes Kepler Nicolaus Copernicus Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a conductor of electricity ? Pure water Rubber Benzene Salt water Pure water Rubber Benzene Salt water ANSWER DOWNLOAD EXAMIANS APP