| 2024-09-24 | CrH2O6Cl3 (atomic number of Cr=24 ) has a magnetic moment of 3.83 BM, the correct distribution o.... | 0:00 | 3 | |
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| 2024-09-24 | If A is a square matrix of order 3 , with |A| = 9, then write the value of | 2.adj A |..... | 0:00 | 1 | |
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| 2024-09-24 | State three postulates of Bohr's theory of hydrogen atom..... | 0:00 | 11 | |
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| 2024-09-24 | A thin converging lens of focal length \\(10 cm\\) is placed coaxially in contact with a t.... | 0:00 | 47 | |
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| 2024-09-24 | Give reasons :Alkyl halides are immiscible with water although they are polar, and.... | 0:00 | 3 | |
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| 2024-09-24 | Lights of wavelengths \\(430 nm , 450 nm\\) and \\(660 nm\\) are incident on a metal surface who.... | 0:00 | 4 | |
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| 2024-09-24 | What makes some of the detergents non-biodegradable in nature?.... | 0:00 | 3 | |
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| 2024-09-24 | Using elementary operations, find the inverse of the\\[\\text { matrix } A=\\left[\\begin{array}.... | 0:00 | 3 | |
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| 2024-09-24 | A galvanometer shows full scale deflection for current \\(\\mathrm{I}_{\\mathrm{g}}\\). A resist.... | 0:00 | 7 | |
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| 2024-09-24 | A current flows through a series combination of two copper wires of equal length but their radii.... | 0:00 | 34 | |
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| 2024-09-24 | (a) Differentiate between Intrauterine insemination and Intrauterine transfer.\n(b) Mention one .... | 0:00 | 6 | |
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| 2024-09-24 | Zinc rod is dipped in 0.01 M solution of zinc sulphate when temperature is 298 K. Calculate the .... | 0:00 | 4 | |
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| 2024-09-24 | If \\(y =\\left(\\sin ^{-1} x\\right)^2\\), prove that \\(\\left(1-x^2\\right) \\frac{ d ^2 y }{.... | 0:00 | 2 | |
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| 2024-09-24 | If a line makes \\(60^{\\circ}\\) and \\(45^{\\circ}\\) angles with the positive directions of \.... | 0:00 | 0 | |
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| 2024-09-24 | A series LCR circuit with \\(\\mathrm{R}=20 \\Omega, \\mathrm{L}=2 \\mathrm{H}\\) and \\(\\mathr.... | 0:00 | 1 | |
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| 2024-09-24 | Two circular loops A and B, each of radius \\(3 \\mathrm{~m}\\), are placed coaxially at a dista.... | 0:00 | 16 | |
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| 2024-09-24 | Mendel did not explain the expression of incomplete dominance in plants. Give an example of flow.... | 0:00 | 4 | |
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| 2024-09-24 | When a tiny circular obstacle is placed in the path of light from a distant source, a bright spo.... | 0:00 | 3 | |
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| 2024-09-24 | (a) Write the reaction involved in Kolbe’s electrolytic method to prepare ethane.(b) Melti.... | 0:00 | 1 | |
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| 2024-09-24 | Write two necessary conditions for total internal reflection..... | 0:00 | 15 | |
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| 2024-09-24 | Which of the following statements is not true for nuclear forces?.... | 0:00 | 1 | |
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| 2024-09-24 | Draw a labelled ray diagram to show image formation by a compound microscope and write the expre.... | 0:00 | 5 | |
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| 2024-09-24 | We are aware of the ill-effects of environmental pollution and use of chemical fertilisers to in.... | 0:00 | 1 | |
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| 2024-09-24 | A combination of two cells of emfs ε1=4Vand ε2=6V and internal resistance r1=0.5Ω.... | 0:00 | 0 | |
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| 2024-09-24 | The number of unpaired electrons in the complex ion CoF63- is: (Atomic number: Co=27 ).... | 0:00 | 6 | |
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| 2024-09-24 | What results do you expect if \\(\\alpha\\)-particle scattering experiment is repeated using a t.... | 0:00 | 2 | |
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| 2024-09-24 | An electron enters a uniform magnetic field with speed \\(v\\). It describes a semicircular path.... | 0:00 | 7 | |
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| 2024-09-24 | (a) What is amplitude modulation ? Draw a diagram showing an amplitude modulated wave obtained b.... | 0:00 | 7 | | Amplitude
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| 2024-09-24 | We are aware of the ill-effects of environmental pollution and use of chemical fertilisers to in.... | 0:00 | 0 | |
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| 2024-09-24 | Why are neutrons preferred as better projectiles in causing nuclear reaction?.... | 0:00 | 4 | |
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| 2024-09-24 | In a fission event of \\({ }_{92}^{238} \\mathrm{U}\\) by fast moving neutrons, no neutrons are .... | 0:00 | 2 | |
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| 2024-09-24 | Two capacitors of capacitances C1 and C2 are connected in parallel. If a charge \\(\\mathrm{Q}\\.... | 0:00 | 4 | |
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| 2024-09-24 | If sin y = x sin (a + y), prove thatdydx=sin2(a+y)sina.... | 0:00 | 6 | |
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| 2024-09-24 | Solve the differential equation :\\[x \\frac{d y}{d x}=y-x \\tan \\left(\\frac{y}{x}\\right)\\].... | 0:00 | 4 | |
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| 2024-09-24 | Coordination number of Ni in NiC2O43-4 is:.... | 0:00 | 2 | |
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| 2024-09-24 | Select the options which is/are incorrect statement(s) with respect to T-lymphocytes in th.... | 0:00 | 3 | |
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| 2024-09-24 | Which one of the following compounds will react with NaHCO3 solution to give sodium salt an.... | 0:00 | 7 | |
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| 2024-09-24 | (a) Show that a current carrying solenoid behaves like a small bar magnet. Obtain the expression.... | 0:00 | 11 | |
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| 2024-09-24 | Evaluate:\\[\\int_0^{\\frac{\\pi}{4}} \\sqrt{1+\\cos 2 x} d x\\].... | 0:00 | 3 | |
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| 2024-09-24 | Show that the operation \\(*\\) on \\(Q\\), the set of all rational numbers, defined as \\(a * b.... | 0:00 | 0 | |
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| 2024-09-24 | Which of the following reactions will not result in the formation of carbon-carbon bonds?.... | 0:00 | 0 | |
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| 2024-09-24 | The above interaction suggests that the relationship between the two species is an example of :.... | 0:00 | 2 | |
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| 2024-09-24 | Match the items given in Column-I with items given in Column-II.
.... | 0:00 | 0 | |
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| 2024-09-24 | (a) An infinitely long thin straight wire has a uniform linear charge density λ. Obtain the.... | 0:00 | 3 | |
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| 2024-09-24 | A manufacturer has three machine operators A, B and C. The first operator A produces \\(1 \\%\\).... | 0:00 | 2 | |
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| 2024-09-24 | Find the solution of the differential equation :\\[\\left(e^x+e^{-x}\\right) \\frac{d y}{d x}=\\.... | 0:00 | 0 | |
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| 2024-09-24 | The electronic configuration of gadolinium (Atomic Number =64 ) is:.... | 0:00 | 1 | |
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| 2024-09-24 | In quantitative analysis of second group in laboratory, H2 S gas is passed in acidic medium.... | 0:00 | 2 | |
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| 2024-09-24 | Define the term “Intensity” in photon picture of electromagnetic radiation..... | 0:00 | 1 | |
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| 2024-09-24 | (a) Draw the ray diagram of an astronomical telescope when the final image is formed at infinity.... | 0:00 | 9 | |
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| 2024-09-24 | Find all the possible vectors of magnitude \\(5 \\sqrt{3}\\) which are equally inclined to the c.... | 0:00 | 0 | |
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| 2024-09-24 | If \\(P ( A )=0.6, P ( B )=0.5\\) and \\(P ( B \\mid A )=0.4\\), find \\(P ( A \\cup B )\\) and .... | 0:00 | 2 | |
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| 2024-09-24 | In the reaction:
Which of the following compounds will be formed? .... | 0:00 | 3 | |
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| 2024-09-24 | When 0.1 mol MnO42- is oxidised, the quantity of electricity required to completely oxidise MnO4.... | 0:00 | 6 | |
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| 2024-09-24 | Lassaigne’s test (with silver nitrate) is commonly used to detect halogens such as chlorin.... | 0:00 | 0 | |
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| 2024-09-24 | Why is a compound microscope preferred over a simple microscope?.... | 0:00 | 1 | |
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| 2024-09-24 | A bag contains 3 red and 4 white balls. Three balls are drawn at random, one-by-one without repl.... | 0:00 | 2 | |
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| 2024-09-24 | Let \\(A\\) and \\(B\\) be two events such that \\(P(A)=\\frac{5}{8}, P(B)=\\frac{1}{2}\\).... | 0:00 | 1 | |
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| 2024-09-24 | Given are cyclohexanol (I), acetic acid (II), 2, 4,6-trinitrophenol (III) and phenol (IV)..... | 0:00 | 5 | |
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| 2024-09-24 | Identify the incorrect statement..... | 0:00 | 2 | |
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| 2024-09-24 | Assertion (A): In ' \\(n\\) ' type semiconductor, number density of electrons is greater than th.... | 0:00 | 1 | |
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| 2024-09-24 | The area of the parallelogram whose diagonals are \\(2 \\hat{i}\\) and \\(-3 \\hat{k}\\) is ____.... | 0:00 | 2 | |
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| 2024-09-24 | Complete the following:\\[\\mathrm{CH}_3 \\mathrm{CN} \\xrightarrow[\\text { 2. } \\mathrm{H}_2 .... | 0:00 | 4 | |
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| 2024-09-24 | Define the following terms with an example :\n(I) Ambidentate ligand\n(II) Chelate effect.... | 0:00 | 4 | |
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| 2024-09-24 | Concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is 2.2×10-4 mol.... | 0:00 | 3 | |
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| 2024-09-24 | Which of the following compounds is most basic?.... | 0:00 | 3 | |
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| 2024-09-24 | In an ac circuit, the applied voltage and flowing current are E=E0sinωt and \\(I\\)=I0sin&.... | 0:00 | 2 | |
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| 2024-09-24 | Calculate \\(\\mathrm{E}_{\\text {cell }}^0\\) for the following reaction at \\(298 \\mathrm{~K}.... | 0:00 | 3 | |
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| 2024-09-24 | An object is placed in front of a converging lens, Obtain the conditions under which the magnifi.... | 0:00 | 4 | |
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| 2024-09-24 | State two conditions for two light sources to be coherent..... | 0:00 | 2 | |
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| 2024-09-24 | Which one is a wrong statement?.... | 0:00 | 1 | |
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| 2024-09-24 | Among the following four compounds:
A. Phenol
B. Methyl phenol
C. Metanitrophenol
D. Paranitroph.... | 0:00 | 2 | |
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| 2024-09-24 | Which one has the lowest boiling point?.... | 0:00 | 4 | |
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| 2024-09-24 | Find the mean of the number of tails in two tosses of a coin..... | 0:00 | 0 | |
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| 2024-09-24 | Electromagnetic waves of wavelengths \\(\\lambda_1, \\lambda_2\\) and \\(\\lambda_3\\) are used .... | 0:00 | 8 | |
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| 2024-09-24 | A ray of light passes through an equilateral triangular prism and suffers minimum deviation of 3.... | 0:00 | 2 | |
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| 2024-09-24 | For a sample of perfect gas when its pressure is changed isothermally from Pi to Pf, the en.... | 0:00 | 3 | |
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| 2024-09-24 | HBr reacts fastest with:.... | 0:00 | 11 | |
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| 2024-09-24 | Two batteries, one of emf 18 volt and internal resistance 2 Ω and the other of emf 12 volt.... | 0:00 | 2 | |
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| 2024-09-24 | Find the particular solution of the differential equation \\(\\frac{d y}{d x}=\\frac{x y}{x^2+y^.... | 0:00 | 2 | |
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| 2024-09-24 | Identify electromagnetic waves which :are used in surgery.Write their frequency range..... | 0:00 | 5 | |
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| 2024-09-24 | How is the forward biasing different from the reverse biasing in a p-n junction diode? Name one .... | 0:00 | 1 | |
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| 2024-09-24 | Main axis of a diatomic molecule is \(z\), molecular orbital px and py overlaps to for.... | 0:00 | 3 | |
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| 2024-09-24 | Equimolar solutions of the following substances were prepared separately. Which one of these wil.... | 0:00 | 0 | |
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| 2024-09-24 | Find : \\(\\int \\frac{\\mathrm{d} x}{\\sqrt{x}+\\sqrt[3]{x}}\\)..... | 0:00 | 0 | |
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| 2024-09-24 | Two nuclei have their mass numbers in the ratio of \\(1: 27\\). What is the ratio of their nucle.... | 0:00 | 2 | |
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| 2024-09-24 | Draw a graph showing the variation of number of particles scattered \\((\\mathrm{N})\\) with the.... | 0:00 | 2 | |
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| 2024-09-24 | Unpolarised light of intensity Io is incident on two crossed polaroids. The intensity of light t.... | 0:00 | 2 | | Intensity
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| 2024-09-24 | The sequence of ionic mobility in aqueous solution is:.... | 0:00 | 3 | |
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| 2024-09-24 | Which of the following is/are incorrect?.... | 0:00 | 1 | |
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| 2024-09-24 | What are matter waves ? A proton and an alpha particle are accelerated through the same potentia.... | 0:00 | 5 | |
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| 2024-09-24 | A proton and an \\(\\alpha\\) particle are moving with the same speed. Which one of them has gre.... | 0:00 | 2 | |
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| 2024-09-24 | (a) The density of the nuclear matter is tremendously larger than the physical density of the ma.... | 0:00 | 1 | |
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| 2024-09-24 | A cell of emf (E) and internal resistance r is connected across a variable external resistance R.... | 0:00 | 4 | |
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| 2024-09-24 | (a) Determine the units of rate constant for first and zero order reaction.(b) Show that time re.... | 0:00 | 4 | |
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| 2024-09-24 | Electrons with energy80 keV are incident on the tungsten target of an X-ray tube. K-shell e.... | 0:00 | 3 | |
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| 2024-09-24 | Find the particular solution of the differential equation \\(x \\frac{d y}{d x}+y=x \\cos x+\\si.... | 0:00 | 1 | |
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| 2024-09-24 | Name a carbohydrate present in liver, muscles and brain..... | 0:00 | 1 | |
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| 2024-09-24 | In the α-particle scattering experiment, the shape of the trajectory of the scattered α.... | 0:00 | 2 | |
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| 2024-09-24 | (a) Two point charges q1 and q2 are kept r distance apart in a uniform external electr.... | 0:00 | 8 | |
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