Three stars A, B, C appear as green, red and blue respectively. Which star has minimum temperature?

The temperature of equal masses of three liquids A,B and C are 12°C,19°C and 28°C respectively.The temperature ,when A and B are mixed is 16°C and when B and C are mixed ,it is 23°C .What will be temperature when A and C are mixed.

In Young's double slit experiment, three light blue, yellow and red are used successively. For which colour , will the fringe widh maximum.

Two liquids X and Y boil at 110^@C and 130^@C respectively. Which one of the following has higher vapour pressure at 50^C ?

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24Omega resistance, which may be used separately, in series, or in parallel. What are the currents in the three case? Amount of current when the coils are used separately.

In figure. shows the distance-time graph of three objects A, B and C. Study the graph and answer the following questions:(d) How far has B travelled by the time it passes C?

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). Find the solubility of each salt at 293K. Which salt has the highest solubility at this temperature?

Three electrolytic cells A, B and C containing electrolytes ZnSO_4 , AgNO_3 and CuSO_4 respectively were connected in series. A steady current of 1.5A was passed through them. 1.45g Ag were deposited at the cathode of cell B. How long did the current flow?(Atomic mass of Cu = 63.5u, Zn = 65.3u, Ag = 108u.)