Engineering Questions
409 solved questions with detailed explanations
Q.71. The total number of unpaired electrons present in the , (low spin) (high spin), (high spin) and (low spin) octahedral complex systems is
Q.12. Let chord PQ of length of the parabola be such that the ordinates of points P and Q are in the ratio 1: 2. If the chord PQ subtends an angle at the focus of the parabola, then is equal to:
Q.28. At t = 0, a body of mass 100 g starts moving under the influence of a force N. After 2s its position is m . The ratio x : y is
Q.40. A magnetic field vector in an electromagnetic wave is represented by, . Its associated electric field vector is
Q.37. Under steady state condition the potential difference across the capacitor in the circuit is V.
Q.69. Given below are two statements : Statement I: The correct order in terms of bond dissociation enthalpy is Cl₂ > Br₂ > F₂ > I₂. Statement II: The correct trend in the covalent character of the me
Q.68. A D-aldotetrose on oxidation with concentrated HNO₃ resulted in optically inactive dicarboxylic acid. The structure of the D-aldotetrose is :
Q.29. Three masses kg, kg and kg are suspended from a fixed smooth frictionless pully as shown in the [Figure: diagram of masses suspended by a pulley] below. The value of is ________ (take g = 10
Q.41. Two point charges q₁ = 3µC and q₂=-4µC are placed at points (2\hat{i}+3\hat{j}+3\hat{k}) and (\hat{i}+\hat{j}+\hat{k}) respectively. Force on charge q₂ is N. (Take \frac{1}{4\pi \epsilon_0} = 9×
Q.6. The sum upto 10 terms is equal to :