Physics Which of the following device is used to measure humidity? Hydrometer Hygrometer Psycho Meter Anemometer Hydrometer Hygrometer Psycho Meter Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Semi conductors Dielectrics Superconductors Perfect conductors Semi conductors Dielectrics Superconductors ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 40 J 30 J 50 J 20 J 40 J 30 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit radio waves visible light X-rays ultraviolet light radio waves visible light X-rays ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands Water has high surface tension The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
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