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 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 They must have the same volume ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Pantagraph Ediograph Ergograph Seismograph Pantagraph Ediograph Ergograph Seismograph ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. Hooke's Law First law of thermodynamics The coulomb's law Faraday's Law Hooke's Law First law of thermodynamics The coulomb's law Faraday's Law ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction ANSWER DOWNLOAD EXAMIANS APP