| 2024-09-24 | Find :\\[\\int \\frac{2 x^2+1}{x^2\\left(x^2+4\\right)} d x\\].... | 0:00 | 2 | |
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| 2024-09-24 | A cylindrical conductor of resistance R is connected to a battery. The drift velocity of electro.... | 0:00 | 2 | |
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| 2024-09-24 | Find :\\[\\int \\frac{2}{(1-x)\\left(1+x^2\\right)} d x\\].... | 0:00 | 7 | |
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| 2024-09-24 | Sketch the refracted wavefront for the incident plane wavefront of light from a distant object p.... | 0:00 | 4 | | The Incident
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| 2024-09-24 | Give reasons :A delta is formed at the meeting point of sea water and river water..... | 0:00 | 2 | |
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| 2024-09-24 | Obtain the inverse of the following matrix using elementary operations :\\[A=\\left[\\begin{arra.... | 0:00 | 3 | |
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| 2024-09-24 | Write two properties of a medium that determine the velocity of light in that medium..... | 0:00 | 3 | |
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| 2024-09-24 | A long solenoid of length \\(\\mathrm{L}\\) and number of turns \\(\\mathrm{N}\\) carrying a cur.... | 0:00 | 2 | |
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| 2024-09-24 | An ammeter, together with an unknown resistance in series is connected across two identical batt.... | 0:00 | 6 | |
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| 2024-09-24 | How will you convert the following :Phenol to benzoquinone.... | 0:00 | 0 | |
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| 2024-09-24 | Using \\(\\mathrm{E}^{\\circ}\\) values of \\(\\mathrm{X}\\) and \\(\\mathrm{Y}\\) given below, .... | 0:00 | 2 | |
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| 2024-09-24 | Using Gauss’s law, derive the expression for the electric field due to a uniformly charged.... | 0:00 | 3 | |
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| 2024-09-24 | The electric field of an electromagnetic wave passing through vacuum is represented as \\(.... | 0:00 | 5 | |
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| 2024-09-24 | Show how an OR gate may be obtained with a combination of NAND gates..... | 0:00 | 2 | |
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| 2024-09-24 | In Young's double slit experiment, the slits are separated by \\(0.3 \\mathrm{~mm}\\) and the sc.... | 0:00 | 5 | |
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| 2024-09-24 | Define electric flux. Write its SI unit..... | 0:00 | 6 | |
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| 2024-09-24 | (i) Name the factors on which the focal length of a lens depends.(ii) A converging lens is immer.... | 0:00 | 1 | |
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| 2024-09-24 | Assertion (A) : Molality of a solution in liquid state changes with temperature.Reason \\((R)\\).... | 0:00 | 5 | |
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| 2024-09-24 | State two conditions necessary for light from two sources to be coherent..... | 0:00 | 1 | |
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| 2024-09-24 | Define conductivity and molar conductivity for the solution of an electrolyte. Why does the cond.... | 0:00 | 15 | |
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| 2024-09-24 | What is the shape of the wavefront of light emerging out of a convex lens when a point source is.... | 0:00 | 4 | |
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| 2024-09-24 | A network of four capacitors each of capacitance 12μF is connected to a battery as shown in.... | 0:00 | 6 | |
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| 2024-09-24 | Which of the following series in hydrogen spectrum lies in its visible region?.... | 0:00 | 3 | |
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| 2024-09-24 | Assertion (A): \\(SF _4\\) can be hydrolysed but \\(SF _6\\) cannot be.Reason (R): Six atoms of .... | 0:00 | 3 | |
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| 2024-09-24 | Derive an expression for the force acting on a conductor carrying current \\(I\\) in a magnetic .... | 0:00 | 1 | |
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| 2024-09-24 | Predict the number of unpaired electrons in the square planarPt(CN)42- ion..... | 0:00 | 6 | |
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| 2024-09-24 | Consider a system of two parallel metal plates of area ‘A’, each placed at a separat.... | 0:00 | 1 | |
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| 2024-09-24 | The three curves shown below, represent the variation of photocurrent and applied voltage for tw.... | 0:00 | 3 | |
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| 2024-09-24 | Differentiate between antiseptic and disinfectant. Give one example of each..... | 0:00 | 4 | |
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| 2024-09-24 | The presence of nitro group at ortho/para positions increases the reactivity of haloarenes towar.... | 0:00 | 3 | |
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| 2024-09-24 | A small stationary positively charged particle is free to move in an electric field. In which di.... | 0:00 | 4 | |
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| 2024-09-24 | The mobility of charge carriers in a semiconductor is _________ of the voltage applied across it.... | 0:00 | 2 | |
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| 2024-09-24 | Bag I contains 4 red and 3 black balls. Bag II contains 3 red and 5 black balls. One of the two .... | 0:00 | 1 | |
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| 2024-09-24 | A proton and a deuteron are moving with the same speed. Find the ratio of the de Broglie wavelen.... | 0:00 | 7 | |
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| 2024-09-24 | Explain the working principle of a light emitting diode. Write two important advantages of LEDs .... | 0:00 | 4 | |
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| 2024-09-24 | If the relation R on the set A={x:0≤x≤12} given by R={(a,b):a=b} is an equivalence r.... | 0:00 | 3 | |
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| 2024-09-24 | A cell of emf E1=2V and internal resistance r1=1Ω is connected to another cell of emf E2=8V.... | 0:00 | 13 | |
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| 2024-09-24 | Give one example for each of the following :Sulphide ore of Zinc and Copper.... | 0:00 | 1 | |
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| 2024-09-24 | Predict the products of electrolysis in each of the following :An aqueous solution of \\(CuSO _4.... | 0:00 | 3 | |
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| 2024-09-24 | Development of recombinant DNA technology has opened gates to many breakthroughs in the fields o.... | 0:00 | 2 | |
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| 2024-09-24 | Assertion (A) :The angle of minimum deviation for a prism is lesser for red light than that for .... | 0:00 | 8 | |
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| 2024-09-24 | Which of the following ligands form a 'chelate' complex with metal ion ?.... | 0:00 | 5 | |
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| 2024-09-24 | Write the structure of the main products formed in the following reactions :\n\\(HCHO + CH _3 Mg.... | 0:00 | 2 | |
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| 2024-09-24 | Assertion: Fluorine has less negative ΔegH° than chlorine.\nReason:    Fluor.... | 0:00 | 2 | |
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| 2024-09-24 | Explain the formation of the fringes due to diffraction at a single slit, when path difference o.... | 0:00 | 5 | |
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| 2024-09-24 | Biological control methods are adopted from which of the following population interactions?.... | 0:00 | 0 | |
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| 2024-09-24 | Calculate the emf and ΔG of the following cell at 298 K : Mg ( s )Mg2+10-3M‖Cu2+.... | 0:00 | 4 | |
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| 2024-09-24 | Write the changes the parasite undergoes in the liver..... | 0:00 | 1 | |
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| 2024-09-24 | In Rutherford's nuclear model of the atom, the entire positive charge and most of the mass of th.... | 0:00 | 2 | |
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| 2024-09-24 | Account for the following :\n\\(Cr ^{2+}\\) is a strong reducing agent..... | 0:00 | 3 | |
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| 2024-09-24 | Write equations of the following reactions :\nNitration of Phenol with concentrated nitric acid.... | 0:00 | 2 | |
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| 2024-09-24 | Match Column–I with Column–II for housefly classification and select the correct opt.... | 0:00 | 0 | |
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| 2024-09-24 | Write the name of reagent(s) used in the following reactions :\n (i)   CH3CH.... | 0:00 | 11 | |
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| 2024-09-24 | Which of the following compounds can form a zwitter ion?.... | 0:00 | 1 | |
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| 2024-09-24 | Identify the species of the corn borers which shows least impact of toxin produced by Bt genes..... | 0:00 | 0 | |
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| 2024-09-24 | two statements are given - one labelled as Assertion (A) and the other labelled as Reason (R). S.... | 0:00 | 2 | |
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| 2024-09-24 | Why is \\(\\left[ Fe ( CN )_6\\right]^{4-}\\) diamagnetic while \\(\\left[ FeF _6\\right]^{3-}\\.... | 0:00 | 1 | |
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| 2024-09-24 | If EFc2+/Fc°0=-0.441 V and EFe3+/Fc2+°=0.771 V, the standard emf of the reac.... | 0:00 | 7 | |
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| 2024-09-24 | In the following pairs of halogen compounds, which would undergo \\(S _{ N } 2\\) reaction faste.... | 0:00 | 3 | |
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| 2024-09-24 | The bromination of acetone that occurs in acid solution is represented by this equationCH3COCH3(.... | 0:00 | 10 | |
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| 2024-09-24 | Draw a schematic diagram of \\(l a c\\) operon in the presence of inducer in the culture medium .... | 0:00 | 20 | |
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| 2024-09-24 | Cry genes' that code for insecticidal toxins are present in.... | 0:00 | 2 | |
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| 2024-09-24 | Name a best known and most common autosomal aneuploid abnormality in human and write any two sym.... | 0:00 | 2 | |
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| 2024-09-24 | A solution contains Fe2+,Fe3+ and I- ions. This solution was treated with iodine at 35°C. E.... | 0:00 | 5 | |
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| 2024-09-24 | In which period, the number of immune cells forming antibodies will be the highest in a person s.... | 0:00 | 4 | |
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| 2024-09-24 | In a first-order reactionA→B, if k is rate constant and initial concentration of the react.... | 0:00 | 0 | |
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| 2024-09-24 | Proteases are added during isolation of DNA for genetic engineering..... | 0:00 | 0 | |
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| 2024-09-24 | The given graph is a representation of kinetics of a reaction.
The y and x axes for zero and fi.... | 0:00 | 3 | |
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| 2024-09-24 | The correct corresponding order of names of four aldoses with configuration given below:.... | 0:00 | 8 | |
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| 2024-09-24 | Which one of the following ions exhibits d-d transition and paramagnetism as well?.... | 0:00 | 2 | |
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| 2024-09-24 | Name the disorder in humans with the following karyotype : 22 pairs of autosomes \\(+21^{\\.... | 0:00 | 0 | |
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| 2024-09-24 | Homoleptic complex from the following complexes is:.... | 0:00 | 5 | |
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| 2024-09-24 | During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlo.... | 0:00 | 6 | |
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| 2024-09-24 | Given below are two statements: one is labelled as Assertion A and the other is labelled as Reas.... | 0:00 | 4 | |
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| 2024-09-24 | Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Re.... | 0:00 | 4 | |
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| 2024-09-24 | Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?.... | 0:00 | 2 | |
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| 2024-09-24 | Identify ' \\(D\\) ' and ' \\(E\\) '. Mention the role of ' \\(E\\) '..... | 0:00 | 3 | |
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| 2024-09-24 | For the disproportionation of copper2Cu+→Cu+2+Cu,E° is:- (Given E° for Cu+2/Cu i.... | 0:00 | 3 | |
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| 2024-09-24 | XeF2is isostructural with:.... | 0:00 | 1 | |
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| 2024-09-24 | The enthalpy of solution of hydrated copper(II) sulfate can be determined by measuring the tempe.... | 0:00 | 2 | |
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| 2024-09-24 | The existence of two different coloured complexes with the composition of CoNH34Cl2+ is due to:.... | 0:00 | 2 | |
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| 2024-09-24 | Which of the following pairs constitutes a buffer?.... | 0:00 | 0 | |
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| 2024-09-24 | The segment of DNA which acts as the instrumental manual for the synthesis of the protein is:.... | 0:00 | 2 | |
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| 2024-09-24 | In which of the following arrangements the given sequence is not strictly according to the prope.... | 0:00 | 6 | |
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| 2024-09-24 | Which would quickly absorb oxygen? .... | 0:00 | 4 | |
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| 2024-09-24 | An acetyl halide is formed when PCl5 reacts with an:.... | 0:00 | 0 | |
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| 2024-09-24 | Among the following which is the strongest oxidising agent?.... | 0:00 | 1 | |
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| 2024-09-24 | 0.1 M solution of which one of these substances will act basic?.... | 0:00 | 2 | |
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| 2024-09-24 | Deficiency of vitamin B1causes the disease:.... | 0:00 | 0 | |
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| 2024-09-24 | In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D.
.... | 0:00 | 2 | |
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| 2024-09-24 | The brown precipitate formed by passing ammonia into Nessler’s reagent in due to the forma.... | 0:00 | 4 | |
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| 2024-09-24 | Electrolytic reduction of nitrobenzene in weakly acidic medium gives:.... | 0:00 | 0 | |
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| 2024-09-24 | The EΘ values forAl+/Al=+0.55 V and Tl+/Tl=-0.34 VIdentify the incorrect statemen.... | 0:00 | 3 | |
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| 2024-09-24 | If a Xab species emits firstly a positron, then two α and two β and in last one \(\al.... | 0:00 | 2 | |
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| 2024-09-24 | Which of the following is not a fat soluble vitamin?.... | 0:00 | 0 | |
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| 2024-09-24 | The pHof the solution containing 50 mL each of 0.10M sodium acetate and 0.01M ace.... | 0:00 | 0 | |
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| 2024-09-24 | Repeated use of which one of the following fertilisers would increase the acidity of the soil?.... | 0:00 | 4 | |
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| 2024-09-24 | Increasing order of acid strength among p-methoxyphenol, p-methylphenol and p-nitrophenol is:&nb.... | 0:00 | 1 | |
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| 2024-09-24 | A one litre flask is full of brown bromine vapour. The intensity of brown colour of vapour will .... | 0:00 | 1 | |
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| 2024-09-24 | Strongest hydrogen bond is shown by:.... | 0:00 | 5 | |
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