Engineering Questions — JEE Main
409 solved questions with detailed explanations
Q.25. Let y = y(x) be the solution of the differential equation (tanx)²dy = (sec³x - (tanx)²y)dx, 0 < x < , y() = . If y() = , then equals .......
Q.73. 20 g hemoglobin in a 1 L aqueous solution (A) at 300 K is separated from pure water by semi permeable membrane. At equilibrium the height of solution in a tube dipped in a solution (A) is found
Q.19. Let y = y(x) be the solution of the differential equation : , , satisfying . If , than is equal to :
Q.49. The stored charge in the capacitor in steady state of the following circuit is μC. [Figure: Circuit diagram]
Q.1. Let [] denote the greatest integer function. If the domain of the function is [, ), then is equal to:
Q.70. A paper dipped in a dil. HSO solution of 'X' upon treatment with SO gas turns into green. The compound 'X' is :
Q.59. The correct order of reactivity of the following benzyl halides towards reaction with KCN is: [Figure: Four benzyl halides are shown: (a) Benzyl bromide with -OH group at para position. (b) Benz
Q.63. Given below are two statements: Statement I: Crystal Field Stabilization Energy (CFSE) of [Cr(HO)] is greater than that of [Mn(HO)]. Statement II: Potassium ferricyanide has a greater spin-only
Q.59. Find the correct statements related to group 15 hydrides. A. Reducing nature increases from NH to BiH. B. Tendency to donate lone pair of electrons decreases from NH to BiH. C. The stability of
Q.13. Let , and . Then is equal to: