What criterion is followed for the selection of the stationary phase in chromatography?

What are stationary waves?

What is meant by the term 'chromatography'?

What is the main priciple of adsorption chromatography?

What is phase in periodic motion?

Figure 5.18 shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1 m s^2 . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt? (Mass of the man = 65 kg.)

A plot is obtained for two volatile liquids A & B as follows. From the plot answer the following. What is the mol fraction of vapour phase of componant A over the solution?

What term is given to the asexually reproducing phase of certain cnidarians?

What is the path followed by a Javelin projected horizontally by an athlete?

A train approaching a station at 36 km/hr blows its whistle of 320 Hz.What frequency is heard (i)in the station and (ii)by a stationary observer behind the train?