Physics Name the process by which bubbles from liquid are formed? Effervescence Surface Energy Surface Tension Degasification Effervescence Surface Energy Surface Tension Degasification ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to 273°C 100°C – 273°C 0°C 273°C 100°C – 273°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Spectrometer Telescope Photometer Microscope Spectrometer Telescope Photometer Microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
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