Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly contracts Glass reacts chemically with water Glass suddenly expands Water evaporates Glass suddenly contracts Glass reacts chemically with water Glass suddenly expands Water evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. X - rays, infrared, visible, microwave Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave Microwave, infrared, visible. X-rays X - rays, infrared, visible, microwave Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave Microwave, infrared, visible. X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low 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 Radio telescopes are better than optical telescopes because they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Velocity modulated Unmodulated Amplitude modulated Frequency modulated Velocity modulated Unmodulated Amplitude modulated Frequency modulated ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is J/s Js2 Js Js–2 J/s Js2 Js Js–2 ANSWER DOWNLOAD EXAMIANS APP