Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same volume They must have the same mass They must be dropped in vacuum They must have the same density They must have the same volume They must have the same mass They must be dropped in vacuum They must have the same density ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to Red light having longer wave length scatters away That sun comes out of the mountains The fact that sun emits only red colour at that time That all other colours scatter away except red Red light having longer wave length scatters away That sun comes out of the mountains The fact that sun emits only red colour at that time That all other colours scatter away except red ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Archimedes' principle Bernoulli's principle Pascal's law Newton's law Archimedes' principle Bernoulli's principle Pascal's law Newton's law ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Conduction Insolation Convection Radiation Conduction Insolation Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -3.75 diopters 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters 11.25 diopters -11.25 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very low power consumptions Instability due to negative resistance Very wide temperature range of operations Extremely high frequency response Very low power consumptions Instability due to negative resistance Very wide temperature range of operations Extremely high frequency response ANSWER DOWNLOAD EXAMIANS APP