| 2024-09-24 | Prove that \\(\\int_0^{ a } f (x) d x=\\int_0^{ a } f ( a -x) d x\\), hence evaluate \\(\\int_0^.... | 0:00 | 0 | |
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| 2024-09-24 | Which of the following is not true about enantiomers?.... | 0:00 | 2 | |
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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 | Find the area of the region lying in the first quadrant and enclosed by the \\(\\mathrm{x}\\) - .... | 0:00 | 1 | |
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| 2024-09-24 | The foot of a perpendicular drawn from the point \\((-2,-1,-3)\\) on a plane is \\((1,-3,3)\\). .... | 0:00 | 2 | |
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| 2024-09-24 | Two large charged plane sheets of charge densities σ and -2σC/m2 are arrange.... | 0:00 | 6 | |
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| 2024-09-24 | If \\(\\vec{a}=2 \\hat{i}+2 \\hat{j}+3 \\hat{k}, \\vec{b}=-\\hat{i}+2 \\hat{j}+\\hat{k}\\) and \.... | 0:00 | 11 | |
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| 2024-09-24 | A hydrogen atom makes a transition from \\(n =5\\) to \\(n =1\\) orbit. The wavelength of photon.... | 0:00 | 1 | |
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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 | Find the volume of the parallelopiped whose adjacent edges are represented by \\(2 \\vec{a},-\\v.... | 0:00 | 2 | |
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| 2024-09-24 | Why are low spin configurations rarely observed for tetrahedral coordination entities?.... | 0:00 | 2 | |
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| 2024-09-24 | A straight wire carrying a current of 5 A is bent into a semicircular arc of radius 2 .... | 0:00 | 2 | |
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| 2024-09-24 | A box \\(B_1\\) contains 1 white ball and 3 red balls. Another box \\(B_2\\) contains 2 white ba.... | 0:00 | 0 | |
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| 2024-09-24 | Show that for a first order reaction, time required for completion of \\(99 \\%\\) of reaction i.... | 0:00 | 2 | |
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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 | Define the following terms :\n(i) Oligosaccharides\n(ii) Invert sugar.... | 0:00 | 4 | |
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| 2024-09-24 | Epithelial lining of our intestine is considered as secondary lymphoid organ. Justify the statem.... | 0:00 | 6 | |
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| 2024-09-24 | Obtain Bohr's quantisation condition for angular momentum of electron orbiting in nth  orbi.... | 0:00 | 0 | |
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| 2024-09-24 | Find: \\(\\int \\frac{x^2+x+1}{(x+1)\\left(x^2+4\\right)} d x\\).... | 0:00 | 1 | |
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| 2024-09-24 | The value of \\(\\lambda\\) for which the points \\(A, B\\) and \\(C\\) having position vectors .... | 0:00 | 8 | |
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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 | Assertion (A): Pt(en)2Cl22+complex is less stable than PtNH34Cl22+ complex.\nReason (R): Pt(en)2.... | 0:00 | 0 | |
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| 2024-09-24 | Briefly explain how emf is generated in a solar cell. Draw its I-V characteristics..... | 0:00 | 0 | |
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| 2024-09-24 | Write reasons for the following :\nAmino group is \\(o\\) - and \\(p\\)-directing in aromatic el.... | 0:00 | 1 | |
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| 2024-09-24 | Explain with the help of a suitable diagram, the phenomenon on which an optical fibre works. Men.... | 0:00 | 2 | |
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| 2024-09-24 | If a unit vector \\(\\vec{a}\\) makes angles \\(\\frac{\\pi}{3}\\) with \\(\\hat{i}, \\frac{\\pi.... | 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 | How will you convert:Phenol to Picric acid.... | 0:00 | 6 | |
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| 2024-09-24 | (a) Differentiate between self inductance and mutual inductance.\n(b) The mutual inductance of t.... | 0:00 | 5 | |
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| 2024-09-24 | Write reasons for the following statements :\n(i) Benzoic acid does not undergo Friedel-Crafts r.... | 0:00 | 0 | |
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| 2024-09-24 | What is meant by energy band gap in a solid? Draw the energy band diagrams for a conductor, an i.... | 0:00 | 1 | |
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| 2024-09-24 | If \\(\\mathrm{A}\\) is a square matrix of order 3 and \\(|\\mathrm{A}|=6\\), then the value of .... | 0:00 | 2 | |
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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 | Assertion (A) : All trigonometric functions have their inverses over their respective domains.\n.... | 0:00 | 5 | |
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| 2024-09-24 | If one of the slits in Young's double slit experiment is fully closed, the new pattern has______.... | 0:00 | 2 | |
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| 2024-09-24 | Convert the following :(i) Benzoic acid to Benzaldehyde\n(ii) Propan-1-ol to 2-Bromopropanoic ac.... | 0:00 | 5 | |
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| 2024-09-24 | Out of red, blue and yellow lights, the scattering of__________light is maximum..... | 0:00 | 0 | |
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| 2024-09-24 | Hydrogen atoms are excited with an electron beam of energy 12.5 eV. Find(a) The highest energy l.... | 0:00 | 0 | |
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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 | The elements of 3d transition series are given as :Sc Ti V Cr Mn Fe Co Ni Cu ZnAnswer the follow.... | 0:00 | 3 | |
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| 2024-09-24 | Define Brownian movement. What is the cause of Brownian movement in colloidal particles? How is .... | 0:00 | 1 | |
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| 2024-09-24 | A slit of width \\(0.6 \\mathrm{~mm}\\) is illuminated by a beam of light consisting of two wave.... | 0:00 | 0 | |
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| 2024-09-24 | {"english":"If \\(y^2 \\cos \\left(\\frac{1}{x}\\right)=a^2\\), then find \\(\\frac{d y}{d x}\\).... | 0:00 | 3 | |
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| 2024-09-24 | Write the truth tables of (i) AND gate and (ii) NOT gate..... | 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 | Why is chemistry of actinoids complicated as compared to lanthanoids?.... | 0:00 | 7 | |
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| 2024-09-24 | Write the mechanism for the preparation of alcohols from alkenes (Acid Catalyzed Hydration)..... | 0:00 | 1 | |
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| 2024-09-24 | Two coherent light waves of intensity 5×10-2Wm-2 each super-impose and produce the interfer.... | 0:00 | 3 | |
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| 2024-09-24 | Find the particular solution of the differential equation \\(\\frac{d y}{d x}+y \\cot x=2 x+x^2 .... | 0:00 | 2 | |
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| 2024-09-24 | Draw structure for the polymer used for manufacture of non-stick utensils..... | 0:00 | 1 | |
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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 | Let \\(R\\) be a relation in \\(R\\), the set of all real numbers, defined by \\(R=\\left\\{(a, .... | 0:00 | 9 | |
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| 2024-09-24 | Give reasons :The rate of a reaction does not remain constant throughout the course of reaction..... | 0:00 | 3 | |
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| 2024-09-24 | What is a solar cell? Draw its V-I characteristics. Explain the three processes involved in its .... | 0:00 | 3 | |
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| 2024-09-24 | If \\(\\mathrm{f}(\\mathrm{x})=\\mathrm{a}(\\mathrm{x}-\\cos \\mathrm{x})\\) is strictly decreas.... | 0:00 | 2 | |
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| 2024-09-24 | If the two plates of the capacitor have + q and – q charges, respectively, find the force .... | 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 | An electron (charge \\(-\\mathrm{e}\\), mass \\(\\mathrm{m}\\) ) is revolving around a positivel.... | 0:00 | 5 | |
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| 2024-09-24 | If \\(\\int_0^a 3 x^2 d x=8\\), then the value of ' \\(a\\) ' is :.... | 0:00 | 2 | |
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| 2024-09-24 | Evaluate the following integral as the limit of sums \\(\\int_1^4\\left(x^2-x\\right) \\mathrm{d.... | 0:00 | 1 | |
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| 2024-09-24 | Why are the boiling point of aldehydes and ketones lower than that of corresponding carboxylic a.... | 0:00 | 6 | |
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| 2024-09-24 | Write the principle of working of an ac generator. Derive the expression for the induced em.... | 0:00 | 6 | |
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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 | A cylindrical conductor of resistance \\(R\\) is connected to a battery. The drift velocity of e.... | 0:00 | 1 | |
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| 2024-09-24 | An organic compound (X) having molecular formula \\(\\mathrm{C}_5 \\mathrm{H}_{10} \\mathrm{O}\\.... | 0:00 | 1 | |
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| 2024-09-24 | Solve for \\(x: \\sin ^{-1}(1-x)-2 \\sin ^{-1}(x)=\\frac{\\pi}{2}\\).... | 0:00 | 0 | |
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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 | A cell of emf ‘E’ and internal resistance ‘r’ is connected across a vari.... | 0:00 | 2 | |
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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 | Two cells, one of emf \\(2 \\mathrm{E}\\) and internal resistance \\(\\mathrm{r}\\) and the othe.... | 0:00 | 0 | |
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| 2024-09-24 | Draw a graph showing the variation of binding energy per nucleon as a function of mass number \\.... | 0:00 | 7 | |
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| 2024-09-24 | Find the value of \\(k\\) so that the lines \\(x=-y=k z\\) and \\(x-2=2 y+1=-z+1\\) are perpendi.... | 0:00 | 0 | |
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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 | A charge particle is placed between the plates of a charged parallel plate capacitor. It experie.... | 0:00 | 4 | |
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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 | Find the radius of a nucleus with mass number 64 . \\(\\left( R _0=1 \\cdot 2 fm \\right)\\).... | 0:00 | 5 | |
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| 2024-09-24 | What is meant by the term 'displacement current' ? Briefly explain how this current is different.... | 0:00 | 3 | |
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| 2024-09-24 | Write two differences between physisorption and chemisorption..... | 0:00 | 0 | |
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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 | Which of the following terms are correct about starch?.... | 0:00 | 3 | |
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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 | Explain the working of an optical fibre. Mention their two important uses..... | 0:00 | 0 | |
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| 2024-09-24 | How many bulbs is he selling if he is incurring a loss of ₹ 18 ?.... | 0:00 | 1 | |
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| 2024-09-24 | In the given reaction\nA+3 B→2C\nthe rate of formation of C is 2.5×10-4 mol.... | 0:00 | 0 | |
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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 | Carry out the following conversions :Phenol to Anisole.... | 0:00 | 5 | |
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| 2024-09-24 | (a) What will the colour of precipitate obtained when ionization isomer of compoundCoNH35BrSO4,&.... | 0:00 | 2 | |
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| 2024-09-24 | Draw the structures of the following derivatives :2,4-DNP of benzaldehyde.... | 0:00 | 0 | |
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| 2024-09-24 | In the circuit shown in the figure, the forward voltage drop across the diode is \\(0.3 \\mathrm.... | 0:00 | 5 | |
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| 2024-09-24 | Assertion (A) : Oxidation of ketones is easier than aldehydes.Reason (R) : C-C bond of ketones i.... | 0:00 | 3 | |
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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 | Assertion: Ortho-nitrophenol is more acidic than phenol.Reason: Nitro group is electron donating.... | 0:00 | 3 | |
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| 2024-09-24 | (a) Write the conjugate base of CH3COOH, H2O.\n(b) Arrange the following in increasing acid.... | 0:00 | 0 | |
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| 2024-09-24 | Define drift velocity of electrons in a conductor connected across a battery. Figure shows varia.... | 0:00 | 14 | |
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| 2024-09-24 | Using Gauss’ law, obtain expressions for the electric field (i) inside, and (ii) outside a.... | 0:00 | 0 | |
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| 2024-09-24 | Name the cell used in hearing aids and watches..... | 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 | Cleistogamous flowers are self-pollinated because.... | 0:00 | 2 | |
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| 2024-09-24 | et PQRS be a quadrilateral in a plane, where QR=1, ∠PQR= ∠QRS=70°,∠PQS=15° a.... | 0:00 | 6 | |
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| 2024-09-24 | What oscillates in an electromagnetic wave of frequency \\(10 MHz\\) ?.... | 0:00 | 5 | |
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