Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels fastest in Diamond Water Glass Air Diamond Water Glass Air ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Zinc Copper Iron Aluminium Zinc Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a curved path Due to refraction Due to total internal reflection In a straight line path In a curved path Due to refraction Due to total internal reflection In a straight line path ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Energy is the energy of Neutrons Protons Electrons All listed here Neutrons Protons Electrons All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Distance Acceleration Speed Velocity Distance Acceleration Speed Velocity ANSWER DOWNLOAD EXAMIANS APP