Physics Woollen cloth protects the body from cold because It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Glass to water Air to water Air to glass Water to glass Glass to water Air to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface tension Adhesive force Viscosity Surface energy Surface tension Adhesive force Viscosity Surface energy ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because Ice is cold The surface of ice is smooth The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The surface of ice is smooth The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Photosynthesis does not take place at such low temperature Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Photosynthesis does not take place at such low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Convection Insolation Conduction Radiation Convection Insolation Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
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