What change in colour is observed when white silver chloride is left exposed to sunlight? State the type of chemical reaction in this change.
What are coherent sources of light? Why no interference pattern is observed when two coherent sources are very for apart?
Kranz anatomy is observed in:
Define electro-osmosis.
Explain what is observed :- when a beam of light is passed through a colloidal sol.
Write the type of magnetism observed when the magnetic moments are oppositely aligned and cancel out each other?
Explain what is observed when abeam of light is passed through colloidal solution of arsenious sulphide? Give the name of the phenomenon also.
When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of charge.