Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Blue Yellow Orange Green Blue Yellow Orange Green ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Polarisation Interference Reflection Diffraction Polarisation Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become solid Molecular motion in a gas would cease All gases become liquid Water freezes All gases become solid Molecular motion in a gas would cease All gases become liquid Water freezes ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Specific gravity Mass Volume Density Specific gravity Mass Volume Density ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has A downward acceleration An upward acceleration A horizontal velocity A downward velocity A downward acceleration An upward acceleration A horizontal velocity A downward velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP