Engineering Questions
409 solved questions with detailed explanations
Q.23. If S = {: }, then n(S) is equal to ........
Q.75. For a reaction A P at T K, the half life () is plotted as a function of initial concentration of A as given below : [Figure: Graph of vs ] The value of x in the given figure is ______ s (Near
Q.46. A diode has Zener voltage of 10V and maximum power dissipation of 0.5W, then the minimum resistance to be used in series with this diode for safety when it is connected to a 25V power supply is
Q.45. As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface. If refractive index of the material of prism is , the angle of
Q.5. Let and , . If , then the value of is:
Q.30. The height in terms of radius of the earth (R), at which the acceleration due to gravity becomes where g is acceleration due to gravity on earth's surface, is
Q.64. The total number of aromatic compounds/species from the following is[Figure: Six chemical structures are shown. From left to right, top to bottom: 1. Benzene, 2. Naphthalene, 3. Anthracene, 4. C
Q.75. MX is a sparingly soluble salt that follows the given solubility equilibrium at 298 K MX(s) M⁺(aq) + X⁻(aq); K = 10⁻¹⁰ If the standard reduction potential for M⁺(aq) + e⁻ → M(s) is (E°) = 0.79V
Q.5. Let upto 40 terms. If is a root of the equation , then is equal to :