Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Green Yellow Blue Orange Green Yellow Blue Orange ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.1 0.05 2 4 0.1 0.05 2 4 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? Both will reach the same height The heavier mass will reach greater height Any of them may reach greater height The lighter mass will reach greater height Both will reach the same height The heavier mass will reach greater height Any of them may reach greater height The lighter mass will reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Interference Polarisation Reflection Diffraction Interference Polarisation Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
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