| 2024-09-27 | A conducting wire of parabolic shape, initially y=x2. is moving with velocityV→=V0i^ in a .... | 0:00 | 4 | |
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| 2024-09-27 | Which of the following statements is not correct according to Rutherford model?.... | 0:00 | 1 | |
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| 2024-09-27 | AIn the figure, the inner (shaded) region A represents a sphere of radius rA=1, within which the.... | 0:00 | 1 | |
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| 2024-09-27 | State weather it is TRUE or FALSE\nNo net force acts on a rectangular coil carrying a steady cur.... | 0:00 | 2 | |
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| 2024-09-27 | Obtain the expression for cyclotron frequency and show that it is independent of the energy of t.... | 0:00 | 0 | |
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| 2024-09-27 | Two point masses of 0.3kg and 0.7kg are fixed at the ends of a rod of length 1.4m and of negligi.... | 0:00 | 3 | |
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| 2024-09-27 | The value of Y is ___.... | 0:00 | 3 | |
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| 2024-09-27 | If \\(\\mathrm{A}\\) is a square matrix of order 3 , such that \\(\\mathrm{A}(\\operatorname{adj.... | 0:00 | 3 | |
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| 2024-09-27 | Find the general solution of the following differential equation :\\[\\frac{d y}{d x}=e^{x-y}+x^.... | 0:00 | 31 | |
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| 2024-09-27 | State TRUE or FALSE\nA barometer made of a very narrow tube (see figure) is placed at normal tem.... | 0:00 | 1 | |
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| 2024-09-27 | The coordination number of \\(\\mathrm{Ag}\\) in \\(\\left[\\mathrm{Ag}\\left(\\mathrm{NH}_3\\ri.... | 0:00 | 2 | |
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| 2024-09-27 | (a) Define current sensitivity of a galvanometer. Write its expression.\n(b) A galvanometer has .... | 0:00 | 3 | |
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| 2024-09-27 | The magnitudes of the gravitational field at distance r1 and r2 from the centre of a uniform sph.... | 0:00 | 1 | |
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| 2024-09-27 | Assertion (A): Zinc is not regarded as a transition element.Reason (R): \\(\\quad\\) In zinc, \\.... | 0:00 | 1 | |
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| 2024-09-27 | Explain the principle of working of a meter bridge. Draw the circuit diagram for determination o.... | 0:00 | 4 | |
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| 2024-09-27 | y678e1b2chp5ko4a0n4gczl1m.... | 0:00 | 3 | |
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| 2024-09-27 | Draw the graph between vapour pressure and temperature and explain the elevation in boiling poin.... | 0:00 | 3 | |
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| 2024-09-27 | The nuclear radius of Al1327 is 3·6 fermi. Find the nuclear radius of Cu2964..... | 0:00 | 1 | |
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| 2024-09-27 | xcvtta5l6bl9tkn8ylzfel7ai.... | 0:00 | 68 | |
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| 2024-09-27 | What happens when D-glucose is treated with the following ? Give equations to support your answe.... | 0:00 | 0 | |
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| 2024-09-27 | Arrange the following in decreasing order of \\(pk _{ b }\\) giving reason :(a) Aniline, p-nitro.... | 0:00 | 0 | |
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| 2024-09-27 | Define electrical resistivity of a given material. Why does resistivity of a metal increase with.... | 0:00 | 7 | |
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| 2024-09-27 | A long horizontal conductor carries a current of \\(30 \\mathrm{~A}\\), in east to west directio.... | 0:00 | 5 | |
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| 2024-09-27 | Nucleic acids are the polymers of nucleotides which in turn consist of a base, a pentose sugar a.... | 0:00 | 0 | |
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| 2024-09-27 | Why cannot we use Si and Ge in fabrication of visible LEDs?.... | 0:00 | 5 | |
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| 2024-09-27 | Describe Hinsberg method for the identification of primary, secondary and tertiary amines..... | 0:00 | 1 | |
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| 2024-09-27 | Derive the expression for self-inductance of a long solenoid..... | 0:00 | 0 | |
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| 2024-09-27 | Account for the following :Transition metals form alloys..... | 0:00 | 3 | |
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| 2024-09-27 | The rate constant for a first order reaction is 40s-1. How much time will it take to reduce the .... | 0:00 | 1 | |
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| 2024-09-27 | Write the role of the following:Cryolite in the extraction of Aluminium..... | 0:00 | 0 | |
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| 2024-09-27 | Define fuel cell with an example. Write two advantages of fuel cell compared to other ordinary c.... | 0:00 | 1 | |
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| 2024-09-27 | Write two differences between Order of reaction and Molecularity of reaction..... | 0:00 | 16 | |
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| 2024-09-27 | Give a chemical test and the reagent used to distinguish between the following: \"Ethylamine and.... | 0:00 | 5 | |
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| 2024-09-27 | Give one point of difference between the following :(a) Cast Iron and Pig Iron.... | 0:00 | 0 | |
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| 2024-09-27 | For an electron orbiting in the ground state of a hydrogen atom, what is the relation between ra.... | 0:00 | 1 | |
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| 2024-09-27 | Butan-2-one can be converted to propanoic acid by which of the following ?.... | 0:00 | 1 | |
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| 2024-09-27 | Why is copper regarded as a transition element although copper atom has completely filled d-orbi.... | 0:00 | 2 | |
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| 2024-09-27 | Development of recombinant DNA technology has opened gates to many breakthroughs in the fields o.... | 0:00 | 1 | |
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| 2024-09-27 | The number of resonance structures for N is\n.... | 0:00 | 0 | |
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| 2024-09-27 | Write a balanced equation for the following “Potassium permanganate is reacted with warm s.... | 0:00 | 4 | |
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| 2024-09-27 | The area bounded by the curvesy=(x-1)2,y=(x+1)2andy=14is.... | 0:00 | 4 | |
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| 2024-09-27 | When phenol is treated with excess of bromine water, it gives.... | 0:00 | 1 | |
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| 2024-09-27 | The major product of the following reaction is\n.... | 0:00 | 1 | |
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| 2024-09-27 | MgSO4 on reaction with NH4OH and Na2HPO4 forms a white crystalline precipitate. What is its form.... | 0:00 | 2 | |
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| 2024-09-27 | Zinc-copper couple that can be used as a reducing agent is obtained by.... | 0:00 | 0 | |
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| 2024-09-27 | A basic volatile nitrogen compound gave a foul smelling gas when treated with chloroform and alc.... | 0:00 | 0 | |
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| 2024-09-27 | Considering the reaction sequence given below, the correct statement(s) is/are:\n.... | 0:00 | 3 | |
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| 2024-09-27 | When I–is oxidized by MnO4- in alkaline medium, I– converts into.... | 0:00 | 2 | |
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| 2024-09-27 | Give reasons for the following in one or two sentences.\"Acetic acid can be halogenated in the p.... | 0:00 | 1 | |
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| 2024-09-27 | Explain briefly the formation of the products giving the structures of the intermediates.\n.... | 0:00 | 1 | |
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| 2024-09-27 | At 143 K, the reaction of XeF4 with O2F2 produces a xenon compound Y. The total number of lone p.... | 0:00 | 0 | |
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| 2024-09-27 | Identify the set of reagents/reaction conditions X and Y in the following set of transformations.... | 0:00 | 0 | |
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| 2024-09-27 | Complete and balance the following reactions.(i)Mn2+PbO2→MnO4-+H2O(ii)Ag++AsH3→H3AsO2+.... | 0:00 | 0 | |
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| 2024-09-27 | In P4O10, the number of oxygen atoms bonded to each phosphorus atom is_____.... | 0:00 | 1 | |
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| 2024-09-27 | The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)6 is.... | 0:00 | 0 | |
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| 2024-09-27 | Complete and balance the following reactionNH42S2O8+H2O+MnSO4⟶…..+….+…..... | 0:00 | 0 | |
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| 2024-09-27 | For the first order reaction.... | 0:00 | 1 | |
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| 2024-09-27 | The correct structure of ethylenediaminetetraacetic acid (EDTA) is.... | 0:00 | 0 | |
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| 2024-09-27 | Which of the following alloys contains Cu and Zn.... | 0:00 | 4 | |
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| 2024-09-27 | What are N and M ?\n.... | 0:00 | 1 | |
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| 2024-09-27 | In Arrhenius equation, k=Ae(-E/RT),A may be termed as the rate constant at _____.... | 0:00 | 1 | |
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| 2024-09-27 | Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their pr.... | 0:00 | 1 | |
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| 2024-09-27 | Which hydrogen like species will have same radius as that of Bohr orbit of hydrogen atom?.... | 0:00 | 1 | |
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| 2024-09-27 | For a first order reaction, A→P, the temperature (T) dependent rate constant (k) was found .... | 0:00 | 1 | |
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| 2024-09-27 | Statement-I: Addition ofBr2 to 1-butene gives two optical isomers.Statement-II: The product cont.... | 0:00 | 0 | |
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| 2024-09-27 | Electromagnetic radiation with maximum wavelength is.... | 0:00 | 1 | |
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| 2024-09-27 | Faraday's laws of electrolysis are related to the.... | 0:00 | 1 | |
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| 2024-09-27 | Which of the following has the most acidic hydrogen?.... | 0:00 | 0 | |
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| 2024-09-27 | When the same amount of zinc is treated separately with excess of sulphuric acid and excess of s.... | 0:00 | 0 | |
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| 2024-09-27 | The hybridisation of carbon atoms in C–C single bond H–C≡C–CH=CH2is.... | 0:00 | 1 | |
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| 2024-09-27 | Among the following compounds, the strongest acid is.... | 0:00 | 0 | |
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| 2024-09-27 | A transparent thin film of uniform thickness and refractive indexn1=1.4 is coated on the convex .... | 0:00 | 0 | |
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| 2024-09-27 | Which one of the following oxides is neutral?.... | 0:00 | 2 | |
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| 2024-09-27 | The hydrolysis of alkyl substituted chlorosilanes gives .......... | 0:00 | 1 | |
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| 2024-09-27 | In which case will the particle move in a straight line with constant velocity?.... | 0:00 | 5 | |
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| 2024-09-27 | In a radioactive decay chain reaction,T90230h nucleus decays into84214Po  nucleus. The rati.... | 0:00 | 1 | |
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| 2024-09-27 | Identify the correct order of acidic strength of CO2,CuO,CaO,H2O.... | 0:00 | 1 | |
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| 2024-09-27 | Assertion (A): The total translational kinetic energy of all the molecules of a given mass of an.... | 0:00 | 1 | |
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| 2024-09-27 | A magnetic fieldB=B0y/ak^ is acting into the paper in the+z direction.B0 anda are positive const.... | 0:00 | 1 | |
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| 2024-09-27 | One mole of N2O4(g) at 300 K is kept in a closed container under one atmosphere. It heated to 60.... | 0:00 | 3 | |
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| 2024-09-27 | The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V.... | 0:00 | 4 | |
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| 2024-09-27 | A parallel plate capacitor of plate area A and plate separation d is charged to potential differ.... | 0:00 | 0 | |
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| 2024-09-27 | Results of calculations for four different designs of a fusion reactor using D-D reaction are gi.... | 0:00 | 2 | |
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| 2024-09-27 | Which structural unit present in a detergent makes it non-biodegradable ?.... | 0:00 | 0 | |
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| 2024-09-27 | For the circuit shown, which of the following statements is true?\n\n.... | 0:00 | 3 | |
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| 2024-09-27 | An optical bench has1.5 m long scale having four equal divisions in each cm. While measurin.... | 0:00 | 2 | |
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| 2024-09-27 | Identify the monomers in the following polymers :\n.... | 0:00 | 1 | |
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| 2024-09-27 | A container of fixed volume has a mixture of one mole of hydrogen and one mole of helium in equi.... | 0:00 | 1 | |
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| 2024-09-27 | Write two similarities between chemistry of lanthanoids and actinoids..... | 0:00 | 385 | |
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| 2024-09-27 | How do you convert the following:\nEthanol to propan-2-ol.... | 0:00 | 0 | |
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| 2024-09-27 | Account for the following :Primary amines have higher boiling points than tertiary amines..... | 0:00 | 3 | |
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| 2024-09-27 | Using Bohr's atomic model, derive the expression for the radius of nth  orbit of the revolv.... | 0:00 | 1 | |
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| 2024-09-27 | Write the hybridisation and magnetic character of the following complexes :(i) \\(\\left[\\mathr.... | 0:00 | 2 | |
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| 2024-09-27 | A ray of light is incident on a prism at an angle of \\(45^{\\circ}\\) and passes symmetri.... | 0:00 | 1 | |
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| 2024-09-27 | A radioactive isotope has a half-life of 12.5 years. How long will it take for the activity to r.... | 0:00 | 1 | |
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| 2024-09-27 | Which one among the following bases is present in RNA but usually not in DNA?.... | 0:00 | 2 | |
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| 2024-09-27 | Define the term 'Half-life' of a radioactive substance. Two different radioactive substances hav.... | 0:00 | 3 | |
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| 2024-09-27 | Explain the role of the following : \n(a)NaCN in the separation of ZnS and PbS.\n(b) SiO2 i.... | 0:00 | 1 | |
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| 2024-09-27 | Calculate the number of unpaired electrons in the following gaseous ions :\\[Mn ^{3+} \\text { a.... | 0:00 | 1 | |
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| 2024-09-27 | Show that the superposition of the waves originating from two coherent sources described by\\[\\.... | 0:00 | 0 | |
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