Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, air and water Air, water and iron Water, iron and air Iron, water and air Iron, air and water Air, water and iron Water, iron and air Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
Physics Energy of Ultraviolet rays is great than X-rays Gamma rays Cosmic rays Infrared rays X-rays Gamma rays Cosmic rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be > P P 2P < P > P P 2P < P ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into None of the others Paramagnetic materials Diamagnetic materials Non-magnetic materials None of the others Paramagnetic materials Diamagnetic materials Non-magnetic materials ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Ionization Nuclear fission Radioactivity Nuclear fusion Ionization Nuclear fission Radioactivity Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
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