| 2024-09-24 | A photon emitted during the de-excitation of electron from a state n to the first excited s.... | 0:00 | 2 | |
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| 2024-09-24 | Find the torque of a force F→=-3i+j^+5k acting at the point r→ℵ7i.... | 0:00 | 0 | |
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| 2024-09-24 | Complete the following reaction :
[C] is _______.... | 0:00 | 4 | |
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| 2024-09-24 | The dissociation equilibrium of a gas AB2 can be represented as, 2AB2( g)⇌2AB(g)+.... | 0:00 | 2 | |
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| 2024-09-24 | To produce characteristic X-rays using a tungsten target in an X-ray generator, the accelerating.... | 0:00 | 1 | |
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| 2024-09-24 | Heat of neutralization will be maximum for:
.... | 0:00 | 0 | |
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| 2024-09-24 | Find the value of \\((x-y)\\) from the matrix equation\\[2\\left[\\begin{array}{cc} x &.... | 0:00 | 4 | |
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| 2024-09-24 | (i)Predict the geometry of NiCN42-\n(ii)Calculate the spin only magnetic moment ofCuNH342+ion..... | 0:00 | 3 | |
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| 2024-09-24 | Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is ca.... | 0:00 | 2 | |
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| 2024-09-24 | Conjugate acid of NH2-:.... | 0:00 | 3 | |
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| 2024-09-24 | A circular loop of radius R, carrying current I, lies inx – y plane with its cen.... | 0:00 | 6 | |
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| 2024-09-24 | In the estimation of sulphur in an organic compound, fuming nitric acid is used to convert sulph.... | 0:00 | 2 | |
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| 2024-09-24 | If \\(A\\) is a square matrix of order 2 and \\(|A|=4\\), then find the value of \\(\\left|2 . A.... | 0:00 | 1 | |
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| 2024-09-24 | (a) (i)State AuFbau Principle (ii) Which one is having higher energy, last electron of Cl- .... | 0:00 | 1 | |
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| 2024-09-24 | Ethyl chloride is converted into diethyl ether by: .... | 0:00 | 5 | |
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| 2024-09-24 | Match List - I with List - II:
Choose the correct answer from the options given below:.... | 0:00 | 4 | |
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| 2024-09-24 | Which of the following oxidation states is the most common among the lanthanoids?.... | 0:00 | 3 | |
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| 2024-09-24 | Using properties of determinants, prove that \\(\\left|\\begin{array}{ccc}a^2+2 a & 2 a+1 &a.... | 0:00 | 1 | |
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| 2024-09-24 | Find the vector equation of the plane determined by the points A(3, –1, 2), B(5, 2, 4) and.... | 0:00 | 4 | |
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| 2024-09-24 | Which has highest pH ?.... | 0:00 | 0 | |
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| 2024-09-24 | Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H.... | 0:00 | 5 | |
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| 2024-09-24 | Which of the following lanthanoid ions is diamagnetic? (Atomic Number Ce=58,Sm=62,Eu=63,Yb=.... | 0:00 | 2 | |
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| 2024-09-24 | Find : \\(\\int \\frac{\\log x-3}{(\\log x)^4} \\mathrm{~d} x\\)..... | 0:00 | 2 | |
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| 2024-09-24 | Matrices A and \\(B\\) will be inverse of each other only if __________..... | 0:00 | 4 | |
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| 2024-09-24 | Which of the following species is not electrophilic in nature?.... | 0:00 | 1 | |
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| 2024-09-24 | If Force (F), Velocity (V) and Time (T) are taken as fundamental units, then the dimensions of m.... | 0:00 | 8 | |
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| 2024-09-24 | Which of the following shows maximum number of oxidation states?.... | 0:00 | 0 | |
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| 2024-09-24 | How will you carry out the following conversions :\nEthanamide to Methanamine.... | 0:00 | 2 | |
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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 | Draw the structure of semicarbazone of cyclopentanone..... | 0:00 | 4 | |
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| 2024-09-24 | The most suitable reagent for the following conversion, is:
.... | 0:00 | 1 | |
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| 2024-09-24 | (a) With the help of suitable example, explain the terms static friction, limiting friction and .... | 0:00 | 14 | |
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| 2024-09-24 | Reactivity order of halides for dehydrohalogenation is:.... | 0:00 | 5 | |
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| 2024-09-24 | An organic compound (A) with molecular formula \\(\\mathrm{C}_5 \\mathrm{H}_{10} \\mathrm{O}\\) .... | 0:00 | 6 | |
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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 | Differentiate between the threshold voltage and the breakdown voltage for a diode..... | 0:00 | 1 | |
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| 2024-09-24 | A positively charged particle moving due East enters a region of uniform magnetic field directed.... | 0:00 | 3 | |
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| 2024-09-24 | (a) Why work done is isothermal reversible process is always maximum?(b)Identify the state funct.... | 0:00 | 2 | |
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| 2024-09-24 | The pH value of blood does not appreciably change by a small addition of an acid or a base,.... | 0:00 | 1 | |
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| 2024-09-24 | A series LCR ac circuit has L=2·0H,C=32μF and R=10Ω.\n(a) At what angul.... | 0:00 | 3 | |
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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 | (a) Write the IUPAC name and hybridisation of the complex CoF63-. (Given : Atomic number of Co=2.... | 0:00 | 5 | |
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| 2024-09-24 | A charge having \(q / m\) equal to \(10^8 C / kg\) and with velocity \(3 \times 10^5 m / s\) ent.... | 0:00 | 8 | |
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| 2024-09-24 | Which of the following hydrocarbons has the lowest dipole moment?.... | 0:00 | 1 | |
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| 2024-09-24 | The correct order of energies of molecular orbitals of N2 molecule is:.... | 0:00 | 0 | |
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| 2024-09-24 | Write the products formed when CH33C-CHO reacts with the following reagents :\n(i) CH3COCH3 in t.... | 0:00 | 3 | |
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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 | An alternating voltage of \\(220 \\mathrm{~V}\\) is applied across a device \\(\\mathrm{X}\\). A.... | 0:00 | 6 | |
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| 2024-09-24 | When monochromatic radiation of intensity I falls on a metal surface, the number of photoelectro.... | 0:00 | 1 | |
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| 2024-09-24 | One mole of an amine (A) consumes two moles of methyl bromide to give a quaternary ammonium salt.... | 0:00 | 2 | |
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| 2024-09-24 | An organic compound ' A ' is having a molecular formulaC7H8O . On oxidation with acidified KMnO4.... | 0:00 | 7 | |
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| 2024-09-24 | Write the names and structures of the monomers in the following polymers :\n(i) Buna-S\n(ii) Nyl.... | 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 | (a) Explain briefly the fact that electromagnetic waves carry energy.\n(b) Why do we not feel th.... | 0:00 | 0 | |
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| 2024-09-24 | An equiconvex lens is cut into two halves along (i) XOX and (ii) YOY' as shown in the figure. Le.... | 0:00 | 1 | |
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| 2024-09-24 | An organic compound \(C _6 H _{10}\) on treatment with dil \(H _2 SO _4\) & \(HgSO _4\) give.... | 0:00 | 2 | |
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| 2024-09-24 | (a) Amongst the following which one has the maximum boiling point? n-Pentane, iso-pentane, neo-p.... | 0:00 | 1 | |
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| 2024-09-24 | Write the slope value obtained in the plot of \\(\\log \\left[R_0\\right] /[R] \\mathrm{Vs}\\). .... | 0:00 | 0 | |
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| 2024-09-24 | Write the cartesian equation of the line \\(\\mathrm{PQ}\\) passing through points \\(P(2,.... | 0:00 | 3 | |
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| 2024-09-24 | Unpolarised light passes from a rarer into a denser medium. If the reflected and the refracted r.... | 0:00 | 2 | |
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| 2024-09-24 | A person of mass 60 kg is inside a lift of mass 940 kg and presses the butto.... | 0:00 | 3 | |
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| 2024-09-24 | Given,Sn=1+q+q2+…+qnSn=1+q+12+q+122+…+q+12n,q≠1\nProve thatC1n+1+C2n+1S1+C3n+1S.... | 0:00 | 0 | |
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| 2024-09-24 | (a) Why is the IUPAC name and symbol of the element having atomic number 117.
(b) Are the oxidat.... | 0:00 | 5 | |
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| 2024-09-24 | The electrical resistance of a column of \\(0.05 \\mathrm{~mol} \\mathrm{~L}^{-1} \\mathrm{NaOH}.... | 0:00 | 11 | |
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| 2024-09-24 | The figure shows a series LCR circuit connected to a variable frequency 230 V source.\.... | 0:00 | 16 | | Frequency
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| 2024-09-24 | Organic farmer use Trichoderma and Baculovirus as biological control agents. Explain..... | 0:00 | 8 | |
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| 2024-09-24 | a) How would the bond lengths vary in the following species?
b) (i) Why is the dipole moment of .... | 0:00 | 0 | |
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| 2024-09-24 | Let n1<n2<n3<n4<n5 be positive integers such that n1+n2+n2+n4+n5=20 The number of su.... | 0:00 | 5 | |
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| 2024-09-24 | The main difference between bathing and washing soap is:.... | 0:00 | 5 | |
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| 2024-09-24 | A particular reaction is first order in \\(\\mathrm{A}\\) and second order in \\(\\mathrm{B}\\)..... | 0:00 | 6 | |
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| 2024-09-24 | Show that the height of the cylinder of maximum volume that can be inscribed in a sphere of radi.... | 0:00 | 9 | |
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| 2024-09-24 | Write the structure of the main products formed in the following reactions :\n.... | 0:00 | 4 | |
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| 2024-09-24 | For the circuit shown in figure, all the three batteries are ideal. Match the column.
.... | 0:00 | 4 | |
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| 2024-09-24 | Calculate the radius of curvature of an equi-concave lens of refractive index 1.5, when it is ke.... | 0:00 | 8 | |
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| 2024-09-24 | Match the example given in Column I with the name of the reaction in Column II.
.... | 0:00 | 1 | |
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| 2024-09-24 | Evaluate :\\[\\sin ^{-1}\\left(\\sin \\frac{3 \\pi}{4}\\right)+\\cos ^{-1}\\left(\\cos \\frac{3 .... | 0:00 | 14 | |
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| 2024-09-24 | The products A and B in the following reaction sequence are:
.... | 0:00 | 3 | |
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| 2024-09-24 | Name a Restriction endonuclease and write (i) palindromic recognition sequence that it recognize.... | 0:00 | 2 | |
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| 2024-09-24 | Using the method of integration, find the area of the region bounded by the lines 3x – 2y .... | 0:00 | 1 | |
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| 2024-09-24 | (a) State two distinguishing features of nuclear force.(b) Draw a plot showing the variation of .... | 0:00 | 2 | |
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| 2024-09-24 | The coordinates of the foot of the perpendicular drawn from the point \\((-2,8,7)\\) on the XZ-p.... | 0:00 | 3 | |
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| 2024-09-24 | Find the equations of the diagonals of the parallelogram PQRS whose vertices are \\(P(4,2,-6), Q.... | 0:00 | 11 | |
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| 2024-09-24 | How does an oscillating charge radiate an electromagnetic wave ? Give the relation between the f.... | 0:00 | 3 | |
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| 2024-09-24 | Find the differential equation of the family of curves \\(y = Ae ^{2 x }+ Be ^{-2 x }\\), where .... | 0:00 | 8 | |
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| 2024-09-24 | The probability distribution of a random variable \\(\\mathrm{X}\\) is given below :\n\nFind \\(.... | 0:00 | 1 | |
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| 2024-09-24 | The magnetic susceptibility χ of a given material is -0.5 . Identify the magnetic mate.... | 0:00 | 1 | |
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| 2024-09-24 | For a concave mirror of focal length ' \\(f\\) ', the minimum distance between the object and it.... | 0:00 | 5 | |
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| 2024-09-24 | Express \\(A=\\left[\\begin{array}{ll}4 & -3 \\\\ 2 & -1\\end{array}\\right]\\) as a sum.... | 0:00 | 2 | |
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| 2024-09-24 | Write the characteristics of a p-n junction which make it suitable for rectification..... | 0:00 | 3 | |
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| 2024-09-24 | The hybridisation involved in complex Ni(CN)42 is (Atomic Number Ni=28 ).... | 0:00 | 2 | |
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| 2024-09-24 | (a) What do you understand by ‘sharpness of resonance’ for a series LCR resonant cir.... | 0:00 | 3 | |
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| 2024-09-24 | In the wave picture of light, the intensity I of light is related to the amplitude \\(A\\) of th.... | 0:00 | 1 | |
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| 2024-09-24 | a) Draw the structural formulae of the following compound: Ethoxypropane\nb) Which is suspect.... | 0:00 | 12 | |
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| 2024-09-24 | Water rises to height ‘h’ in capillary tube. If the length of capillary tube above t.... | 0:00 | 3 | |
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| 2024-09-24 | In a ∆ABC,∠B=π3 and ∠C=π4. Let D divides BC internally in the ratio 1: 3, then =si.... | 0:00 | 10 | |
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| 2024-09-24 | Let X be a random variable which assumes values x1, x2, x3, x4 such that 2P(X = x1) = 3P(X = x2).... | 0:00 | 4 | |
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| 2024-09-24 | What is the probability that the randomly selected seed is of type \\(A_1\\), given that it germ.... | 0:00 | 3 | |
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| 2024-09-24 | The two adjacent sides of a parallelogram are represented by vectors \\(2 \\hat{i}-4 \\hat{j}+\\.... | 0:00 | 6 | |
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| 2024-09-24 | Which of the statements given below is incorrect?.... | 0:00 | 1 | |
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| 2024-09-24 | A rigid wire loop of square shape having side of lengthL and resistanceR is moving along the x-a.... | 0:00 | 7 | |
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