Goiit - JEE Main - JEE Advanced - BITSAT - MTCET - KCET - SCRA - Entrance Exam Notifications - Study Tips - Sample Question Papers

Multiple Choice Question with Only One Choice Correct
When a block of iron floats in mecury at 0^oC, a fraction k₁ of its volume is submerged, while at the temperature 60^oC, a fraction k₂ is seen to be submerged. If the coefficient of volume expansion of iron is

Fe and that of mercury is

Hg, then the ratio k₁/k₂ can be expressed as

(a)		(b)
(c)		(d)

Chemistry

A solution of a nonvolatile solute in water has a boiling point of 375.3 K. Calculate the vapour pressure of water above this solution at 338 K. Given : p*(water) = 0.2467 atm at 338 K, and K_b(water) = 0.51 K kg mol^-1.

Mathematics

A point is chosen on each of the four sides of a unit square. Let a, b, c, d be the length of sides of the quadrilateral obtained by joining these points. Find the maximum possible value of a + b + c + d.

Answers / Solutions / Hints

You need to be logged on for answers!

Free Sign Up!