Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : 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 Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Aerometer Fathometer Siesmometer Animometer Aerometer Fathometer Siesmometer Animometer ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–12 m 10–6 m 10–15 m 10–9 m 10–12 m 10–6 m 10–15 m 10–9 m ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 3P 2p/ 3 P/3 P 3P 2p/ 3 P/3 P ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal mass Equal density Equal volume Equal weight Equal mass Equal density Equal volume Equal weight ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low melting point High melting point Low work function Low resistance Low melting point High melting point Low work function Low resistance ANSWER DOWNLOAD EXAMIANS APP