Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 40 80 4000 2000 40 80 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Height of the liquid column Density of the liquid Acceleration due to gravity at the bottom of the vessel Surface area of the bottom of the vessel Height of the liquid column Density of the liquid Acceleration due to gravity at the bottom of the vessel Surface area of the bottom of the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Boyle's Law Viscosity Surface tension Gravitational force Boyle's Law Viscosity Surface tension Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Dispersion of light Scattering of light Reflection of light Refraction of light Dispersion of light Scattering of light Reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Unchanged Increases Decreases Depends upon the metal Unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? Both Spectrum of an oil frame Spectrum of a water None Both Spectrum of an oil frame Spectrum of a water None ANSWER DOWNLOAD EXAMIANS APP
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