In paper chromatography, the mobile phase travels by _____________ action through the paper.

In Ascending paper Chromatography, the solvent moves

In chromatography, when the fixed phase is solid, the basis of separation is :

Paper Chromatography is _____________Chromatography.

Alguld is found to scatter a beam of light but leaves no residue when passed through the filter paper. The liquid can be described as:

A ball rests upon a flat piece of paper on a table to. The paper is pulled horizontally but quickly towards right as shown. Relative to its initial position with respect to the table the ball (1) remains stationary if there is no friction between the paper and the ball (2) moves to the left if ther is a friction between the paper and the ball. (3) moves forward, i.e. in the direction in which the paper is pulled. Here, the correct statement/s is/ are

Radha made a picture of an aeroplane with coloured paper as shown in fig. Find the total area of the paper used.

A calcite crystal is placed over a dot on a piece of paper and rotated . On seeing through the calcite , one will be

A circle with diameter 20 cm is drawn somewhere on a rectangular piece of paper with length 40 cm and width 30 cm. this paper is kept horizontal on a table top and a die, very small in size, is dropped on the rectangular paper. Without seeing it. If the die lands on the paper only, find the probability that it lands: i] inside the circle ii] outside the circle.