Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is economical It is malleable It is a good conductor It has a very high melting point It is economical It is malleable It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an insulator? Germanium Carbon Mercury Glass Germanium Carbon Mercury Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? They observe inverse square law None Both a and b They are the strongest forces in nature They observe inverse square law None Both a and b They are the strongest forces in nature ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Velocity Frequency Amplitude Wavelength Velocity Frequency Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Eraser Maser Grazer Laser Eraser Maser Grazer Laser ANSWER DOWNLOAD EXAMIANS APP
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