Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (7/3)f (3/4)f (4/3)f F (7/3)f (3/4)f (4/3)f F ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on Huyghens' principle The laws of refraction The inverse square law The laws of reflection Huyghens' principle The laws of refraction The inverse square law The laws of reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Chromium Nichrome Tungsten Nickel Chromium Nichrome Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 poise 1 pascal 1 bar 1 atmosphere 1 poise 1 pascal 1 bar 1 atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The mass of a star is two times the mass of the Sun. How it will come to an end ? Red Giant Black hole Neutron Star White Dwarf Red Giant Black hole Neutron Star White Dwarf ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Wavelength Amplitude Frequency Speed Wavelength Amplitude Frequency Speed ANSWER DOWNLOAD EXAMIANS APP
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