| 2024-09-24 | Which of the following reagents would distinguish ciscyclopenta-1, 2-diol from the trans-isomer?.... | 0:00 | 3 | |
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| 2024-09-24 | Solution of 0.1 NNH4OH and 0.1 NNH4Cl has pH9.25. Then, find out pK6 of.... | 0:00 | 2 | |
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| 2024-09-24 | Find:∫sinx-cosx1+sin2xdx,0<x<π/2.... | 0:00 | 2 | |
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| 2024-09-24 | A pair of dice is thrown and the sum of the numbers appearing on the dice is observed to be 7 . .... | 0:00 | 7 | |
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| 2024-09-24 | Solve the differential equation : \\(x dy - y d x=\\sqrt{x^2+ y ^2} d x\\), given that \\(y =0\\.... | 0:00 | 1 | |
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| 2024-09-24 | (i) Define the terms : 'impact parameter' and 'distance of closest approach' for an \\(\\alpha\\.... | 0:00 | 2 | |
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| 2024-09-24 | Reaction by which Benzaldehyde cannot be prepared:.... | 0:00 | 2 | |
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| 2024-09-24 | A planet is moving in an elliptical orbit around the sun. If T, V, E and L stand respectively fo.... | 0:00 | 0 | |
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| 2024-09-24 | Show by examples that the relation \\(R\\) in \\(R\\), defined by \\(R=\\left\\{(a, b): a \\leq .... | 0:00 | 6 | |
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| 2024-09-24 | Evaluate :\\[\\int_1^4\\{| x |+|3- x |\\} dx\\].... | 0:00 | 0 | |
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| 2024-09-24 | A card from a pack of 52 playing cards is lost. From the remaining cards, 2 cards are drawn at r.... | 0:00 | 5 | |
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| 2024-09-24 | Give reasons for the following :\n\\(\\alpha\\)-hydrogens of aldehydes and ketones are acidic in.... | 0:00 | 1 | |
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| 2024-09-24 | Identify the incorrect statement among the following:.... | 0:00 | 1 | |
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| 2024-09-24 | (a) Why Ca has a larger atomic radius than Al ?
(b) Why is 2s? electron more difficult to remove.... | 0:00 | 2 | |
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| 2024-09-24 | Calculate the energy released in \\(MeV\\) in the following reaction :\\[{ }_1^2 H +{ }_1^3 H \\.... | 0:00 | 3 | |
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| 2024-09-24 | (b) An organic compound (A) with molecular formula \\(\\mathrm{C}_5 \\mathrm{H}_{10} \\mathrm{O}.... | 0:00 | 3 | |
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| 2024-09-24 | Find the particular solution of the differential equation \\(x \\frac{\\mathrm{dy}}{\\mathrm{d} .... | 0:00 | 0 | |
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| 2024-09-24 | The current in 8 Ω resistance is (See fig.):
.... | 0:00 | 5 | |
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| 2024-09-24 | A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction, .... | 0:00 | 3 | |
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| 2024-09-24 | Select the incorrect order for given property. .... | 0:00 | 0 | |
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| 2024-09-24 | (a) Write the expression for the speed of light in a material medium of relative permittivity &#.... | 0:00 | 5 | |
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| 2024-09-24 | Organic farmer use Trichoderma and Baculovirus as biological control agents. Explain..... | 0:00 | 1 | |
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| 2024-09-24 | Vandana performs Young's double slit experiment by using orange, green and red lights successive.... | 0:00 | 2 | |
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| 2024-09-24 | A triangular prism of refracting angle 60° is made of a transparent material of refrac.... | 0:00 | 7 | |
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| 2024-09-24 | For irreversible expansion of an ideal gas under isothermal condition, the correct option is:.... | 0:00 | 1 | |
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| 2024-09-24 | In a βABC,AD is the altitude from A. Given b>c,∠C=23° and AD=abcb2-c2, then ∠B=&h.... | 0:00 | 9 | |
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| 2024-09-24 | If the net electric flux through a closed surface is zero, then we can infer 1.... | 0:00 | 2 | |
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| 2024-09-24 | (i) Monochromatic light is incident on a surface separating two media. The frequency of the ligh.... | 0:00 | 0 | |
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| 2024-09-24 | A small object is placed at a distance of \\(3.0 \\mathrm{~cm}\\) from a magnifier of focal leng.... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following compounds has the lowest melting point?.... | 0:00 | 1 | |
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| 2024-09-24 | Calculate the number of moles in the following masses(i) 1.46 metric ton of Al (1 metric ton = 1.... | 0:00 | 6 | |
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| 2024-09-24 | If in a βPQR,sinP,sinQ,sinR are in AP, then.... | 0:00 | 4 | |
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| 2024-09-24 | Write the necessity of using a radial magnetic field in a galvanometer..... | 0:00 | 2 | |
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| 2024-09-24 | A telescope consists of an objective of focal length \\(150 \\mathrm{~cm}\\) and an eyepiece of .... | 0:00 | 3 | |
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| 2024-09-24 | (a) Derive lens maker's formula for a biconvex lens.\n(b) A point object is placed at a distance.... | 0:00 | 8 | |
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| 2024-09-24 | Which of the following is an example of synthetic rubber?.... | 0:00 | 0 | |
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| 2024-09-24 | Why is it necessary to use a salt bridge in a galvanic cell?.... | 0:00 | 1 | |
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| 2024-09-24 | (a) Identify the part of the electromagnetic spectrum used in (i) radar and (ii) eye surgery. Wr.... | 0:00 | 40 | |
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| 2024-09-24 | A solution was prepared by dissolving \\(5 \\mathrm{~g}\\) of non-volatile solute in \\(95 \\mat.... | 0:00 | 5 | |
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| 2024-09-24 | Answer the following, giving reason :Doping of intrinsic semiconductors is a necessity for makin.... | 0:00 | 0 | |
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| 2024-09-24 | (a) An object is placed in front of a concave mirror. It is observed that a virtual image is for.... | 0:00 | 9 | |
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| 2024-09-24 | The probability distribution of a random variable \\(\\mathrm{X}\\) is given below :\n\nFind \\(.... | 0:00 | 4 | |
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| 2024-09-24 | With which of the following electronic configuration, an atom has the lowest ionisation enthalpy.... | 0:00 | 5 | |
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| 2024-09-24 | Two identical conducting balls A and B have charges –Q and +3Q respectively. They are brou.... | 0:00 | 9 | |
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| 2024-09-24 | Calculate the amount of calcium chloride (Molar mass \\(=\\) \\(111 \\mathrm{~g} \\mathrm{~mol}^.... | 0:00 | 7 | |
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| 2024-09-24 | Deuterium undergoes fusion as per the reaction :\\[{ }_1^2 \\mathrm{H}+{ }_1^2 \\mathrm{H} \\lon.... | 0:00 | 4 | |
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| 2024-09-24 | A bag contains 3 black, 4 red and 2 green balls. If three balls are drawn simultaneously at rand.... | 0:00 | 0 | |
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| 2024-09-24 | Simplify :\\[\\tan ^{-1}\\left(\\frac{\\cos x}{1-\\sin x}\\right)\\].... | 0:00 | 9 | |
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| 2024-09-24 | If \\(P (\\operatorname{not} A )=0 \\cdot 7, P ( B )=0 \\cdot 7\\) and \\(P ( B / A )=0 \\cdot 5.... | 0:00 | 0 | |
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| 2024-09-24 | Give reasons :Bleeding stops by rubbing moist alum on the cut..... | 0:00 | 0 | |
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| 2024-09-24 | Name the device which converts electrical energy into light energy. Write three advantages of th.... | 0:00 | 4 | |
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| 2024-09-24 | How much charge in terms of Faraday is required to reduce one mol of \\(\\mathrm{MnO}_4^{-}\\)to.... | 0:00 | 1 | |
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| 2024-09-24 | Assertion: Despite having an aldehydic group glucose does not give 2,4-DNP test.\nReason: Glucos.... | 0:00 | 5 | |
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| 2024-09-24 | Find : \\(\\int \\frac{x^2}{\\left(x^2+1\\right)\\left(3 x^2+4\\right)} d x\\).... | 0:00 | 5 | |
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| 2024-09-24 | Find the shortest distance between the lines whose vector equations are :\\[\\begin{aligned}&.... | 0:00 | 3 | |
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| 2024-09-24 | Deduce the expressions for the secondary voltage and secondary current in terms of number of tur.... | 0:00 | 2 | |
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| 2024-09-24 | A chemical reaction\\[2 \\mathrm{~N}_2 \\mathrm{O}_5(\\mathrm{~g}) \\longrightarrow 4 \\mathrm{N.... | 0:00 | 1 | |
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| 2024-09-24 | Consider the following observation;
Mn++HCl (dilute)βΆwhite precipitate→Δ&nb.... | 0:00 | 2 | |
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| 2024-09-24 | Solve the following differential equation :\\[\\left(y-\\sin ^2 x\\right) d x+\\tan x d y=0\\].... | 0:00 | 5 | |
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| 2024-09-24 | If \\(A \\cdot(\\operatorname{adj} A)=\\left[\\begin{array}{lll}3 & 0 & 0 \\\\ 0 & 3.... | 0:00 | 2 | |
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| 2024-09-24 | Find the points on the curve \\(y=x^3-3 x^2-4 x\\) at which the tangent lines are parallel to th.... | 0:00 | 1 | |
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| 2024-09-24 | An electron with velocity \\(\\vec{v}=\\left(v_x \\hat{i}+v_y \\hat{j}\\right)\\) moves through .... | 0:00 | 6 | |
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| 2024-09-24 | Two long straight parallel conductors carrying steady currents \\(\\mathrm{I}_1\\) and \\(\\math.... | 0:00 | 16 | |
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| 2024-09-24 | Let \\(X\\) be a random variable which assumes values \\(x _1, x _2, x _3, x _4\\) such that \\(.... | 0:00 | 1 | |
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| 2024-09-24 | How will you distinguish between primary secondary and tertiary alcohol by Lucas reagent?.... | 0:00 | 1 | |
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| 2024-09-24 | Primary alkyl halide (A), \\(\\mathrm{C}_4 \\mathrm{H}_9 \\mathrm{Br}\\) reacted with alcoholic .... | 0:00 | 12 | |
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| 2024-09-24 | Case Study : A charged body inside an electric field.A charged latex sphere of mass \\(1.85 \\ti.... | 0:00 | 5 | |
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| 2024-09-24 | Young’s double slit experiment is performed by using green, red and blue monochromatic lig.... | 0:00 | 4 | |
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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 | The minimum energy required to free the electron from the ground state of the hydrogen atom in B.... | 0:00 | 7 | |
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| 2024-09-24 | How many bulbs should he sell to earn maximum profit?.... | 0:00 | 2 | |
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| 2024-09-24 | Write Einstein's photoelectric equation. Use it to :\nshow that the stopping potential, \\(\\mat.... | 0:00 | 1 | |
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| 2024-09-24 | A particle of mass \\(m\\) and charge \\(q\\), at the origin moves with a velocity \\(\\vec{v}\\.... | 0:00 | 31 | |
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| 2024-09-24 | Which of the following options correctly matches the name of the hormone to its site of producti.... | 0:00 | 1 | |
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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 | Give reasons :Alkyl halides are immiscible with water although they are polar, and.... | 0:00 | 3 | |
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| 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 | Draw the structure of product formed when propanal is treated with zinc amalgam and concentrated.... | 0:00 | 2 | |
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| 2024-09-24 | Draw the plot of intensity distribution in a diffraction pattern due to a single slit..... | 0:00 | 2 | |
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| 2024-09-24 | Ethylene oxide when treated with Grignard reagent yields:.... | 0:00 | 3 | |
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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 | (a) Differentiate between Intrauterine insemination and Intrauterine transfer.\n(b) Mention one .... | 0:00 | 6 | |
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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 biconvex lens made up of glass of refractive index 1·5, forms a real image of an object.... | 0:00 | 1 | |
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| 2024-09-24 | Prove that the magnetic moment of the electron revolving around a nucleus in an orbit of radius&.... | 0:00 | 4 | |
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| 2024-09-24 | Events \\(A\\) and \\(B\\) are such that\\[P ( A )=\\frac{1}{2}, P ( B )=\\frac{7}{12} \\text { .... | 0:00 | 3 | |
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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 | 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 | The electric field of an electromagnetic wave passing through vacuum is represented as \\(.... | 0:00 | 5 | |
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| 2024-09-24 | Plot a graph between number of scattered \\(\\alpha\\)-particles detected in gold foil experimen.... | 0:00 | 4 | |
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| 2024-09-24 | (a) An electric dipole of dipole moment \\(\\vec{p}\\) is held in a uniform electric field \\(\\.... | 0:00 | 1 | |
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| 2024-09-24 | The number of geometrical isomers for PtNH32Cl2 is:.... | 0:00 | 1 | |
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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 | 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 | State two conditions necessary for light from two sources to be coherent..... | 0:00 | 1 | |
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| 2024-09-24 | Carry out the following conversions :(i) Ethanol to ethyl cyanide(ii) Phenol to acetophenone.... | 0:00 | 7 | |
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| 2024-09-24 | Find:∫(logx)2dx.... | 0:00 | 0 | |
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| 2024-09-24 | For a higher resolving power of a compound microscope, the wavelength of light used should be___.... | 0:00 | 0 | |
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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 | We are aware of the ill-effects of environmental pollution and use of chemical fertilisers to in.... | 0:00 | 0 | |
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