| 2024-09-24 | A hypothetical electrochemical cell is shown belowAA+(xM)‖B+(yM)B
The emf measured is +0.2.... | 0:00 | 7 | |
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| 2024-09-24 | If \\(\\vec{a}, \\vec{b}\\) and \\(\\vec{c}\\) are three vectors such that \\(|\\vec{a}|=7,|\\ve.... | 0:00 | 2 | |
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| 2024-09-24 | Draw a schematic diagram of lac operon in absence of inducer in the culture medium of the bacter.... | 0:00 | 2 | |
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| 2024-09-24 | (a) Explain, using a suitable diagram, how unpolarized light gets linearly polarized by scatteri.... | 0:00 | 1 | |
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| 2024-09-24 | Account for the following :\nZn has the lowest enthalpy of atomisation..... | 0:00 | 2 | |
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| 2024-09-24 | Which of the following oxides of nitrogen is paramagnetic?.... | 0:00 | 3 | |
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| 2024-09-24 | A charged particle with speed \\(\\mathrm{v}_0\\) enters a region in which a strong and non-unif.... | 0:00 | 1 | |
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| 2024-09-24 | (a) (i) How many types of RNA polymerases are there in a eukaryote cell ? Mention which one of t.... | 0:00 | 6 | |
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| 2024-09-24 | Using matrices, solve the following system of linear equations :\\[\\begin{aligned}& 2 x+3 y.... | 0:00 | 0 | |
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| 2024-09-24 | Distinguish between the intrinsic semiconductor and the extrinsic semiconductor..... | 0:00 | 1 | |
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| 2024-09-24 | Which of the following exhibits only +3 oxidation state?.... | 0:00 | 0 | |
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| 2024-09-24 | The objective of an astronomical telescope has a diameter of 15 cm and a focal length of 4&middo.... | 0:00 | 5 | |
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| 2024-09-24 | The chromosome number is fixed for all normal organisms leading to species specification whereas.... | 0:00 | 8 | |
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| 2024-09-24 | If \\(A=\\left[\\begin{array}{lll}1 & 1 & 1 \\\\ 1 & 0 & 2 \\\\ 3 & 1 & .... | 0:00 | 1 | |
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| 2024-09-24 | A coin is tossed 5 times. What is the probability of getting (i) 3 heads, (ii) at most 3 heads?.... | 0:00 | 0 | |
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| 2024-09-24 | For any reversible reaction, if we increase concentration of reactants, then effect on equilibri.... | 0:00 | 3 | |
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| 2024-09-24 | Account for the following :Ammonia readily forms a complex whereas ammonium ion does not..... | 0:00 | 4 | |
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| 2024-09-24 | What does ' \\(r\\) ' in the equation signify?.... | 0:00 | 0 | |
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| 2024-09-24 | Find the point at which the motorcycles may collide..... | 0:00 | 0 | |
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| 2024-09-24 | Which of the following does not have a metal- carbon bond?.... | 0:00 | 1 | |
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| 2024-09-24 | The following circuit is equivalent to:
.... | 0:00 | 3 | |
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| 2024-09-24 | Write structures of the products formed when :\nSalicylic acid is treated with \\(\\left( CH _3 .... | 0:00 | 1 | |
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| 2024-09-24 | Mendel studied inheritance of seven pairs of traits in Pea which can have 21 possible combinatio.... | 0:00 | 2 | |
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| 2024-09-24 | Evaluate:\\[\\int_0^1 x^2 e^x d x\\].... | 0:00 | 0 | |
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| 2024-09-24 | Two point charges, q1=15×10-8C and q2=-3×10-8C are separated by a distance of 60 cm in.... | 0:00 | 1 | |
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| 2024-09-24 | A mass \(m\) moves in a circle on a smooth horizontal plane with velocity \(v_0\) at a radius \(.... | 0:00 | 11 | |
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| 2024-09-24 | Read the passage given below and answer the following questions :Amines can be considered as der.... | 0:00 | 7 | |
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| 2024-09-24 | The rate of the reaction 2NO+Cl2→2NOCl is given by the rate equation, rate =k[NO]2Cl2.... | 0:00 | 4 | |
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| 2024-09-24 | Arrange the following compounds in the increasing order of their property indicated : (Any two)\.... | 0:00 | 6 | |
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| 2024-09-24 | A very high resistance voltmeter is connected across a cell and reads2·2V. A5Ω resista.... | 0:00 | 5 | |
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| 2024-09-24 | What is the correct electronic configuration of the central atom in K4Fe(CN)6 based on crystal f.... | 0:00 | 4 | |
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| 2024-09-24 | The diagram shows the life cycle of a pathogenic protozoan.\n.... | 0:00 | 2 | |
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| 2024-09-24 | A reaction having equal energies of activation for forward and reverse reactions has:.... | 0:00 | 2 | |
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| 2024-09-24 | Account for the following :\nAtomic radii of \\(5 \\mathrm{~d}\\) and \\(4 \\mathrm{~d}\\) serie.... | 0:00 | 2 | |
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| 2024-09-24 | In a triangle ABC, let AB=23,BC=3 and CA=4. Then the value of cotA+cotCcotB is ...... ..... | 0:00 | 3 | |
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| 2024-09-24 | E. coli are used in production of:.... | 0:00 | 3 | |
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| 2024-09-24 | For a reaction 3A→2BThe average rate of appearance of B is given byΔ[B]Δt. .... | 0:00 | 6 | |
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| 2024-09-24 | (a) State the postulates of Bohr's model of hydrogen atom and derive the expression for Bohr rad.... | 0:00 | 0 | |
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| 2024-09-24 | Deficiency of which vitamin causes osteomalacia?.... | 0:00 | 3 | |
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| 2024-09-24 | Reduction potential for the following half-cell reactions are:Zn→Zn2++2e-;E°=+0.76.... | 0:00 | 11 | |
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| 2024-09-24 | (a) Derive the expression for the force acting between two long parallel current carrying conduc.... | 0:00 | 3 | |
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| 2024-09-24 | Which of the following is a nitric acid anhydride?.... | 0:00 | 1 | |
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| 2024-09-24 | Two half cell reactions are given below.Co3++e-→Co2+ E°=Co2+/Co3+-1.81 V2Al.... | 0:00 | 11 | |
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| 2024-09-24 | A current of 10A is flowing from east to west in a long straight wire kept on a horizontal table.... | 0:00 | 10 | |
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| 2024-09-24 | Among the following oxides, the least acidic is:.... | 0:00 | 0 | |
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| 2024-09-24 | How many water of crystallisation are in Mohr’s salt?.... | 0:00 | 3 | |
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| 2024-09-24 | A lamp is connected in series with a capacitor. Predict your observations when you connect the c.... | 0:00 | 2 | | Counter-Strike: Source
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| 2024-09-24 | Match the items given in Column-I and Column-II.
.... | 0:00 | 3 | |
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| 2024-09-24 | Complete the following reaction :
[C] is _______.... | 0:00 | 4 | |
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| 2024-09-24 | Find the intervals on which the function \\(f(x)=(x-1)^3(x-2)^2\\) is (a) strictly increasing (b.... | 0:00 | 8 | |
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| 2024-09-24 | Which one of the following compounds has the most acidic nature? .... | 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 | Find \\(\\int \\frac{\\mathrm{d} x}{\\sqrt{x}+x}\\).... | 0:00 | 4 | |
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| 2024-09-24 | Methanol is industrially prepared by: .... | 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 | If \\(A\\) is a square matrix of order 3 and \\(|\\mathrm{A}|=5\\), then the value of \\(|2 \\ma.... | 0:00 | 3 | |
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| 2024-09-24 | A liquid compound (x) can be purified by steam distillation only if it is.... | 0:00 | 2 | |
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| 2024-09-24 | Which has highest pH ?.... | 0:00 | 0 | |
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| 2024-09-24 | Amino acids are.... | 0:00 | 0 | |
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| 2024-09-24 | Write the reaction involved in following conversion:\n\nAniline to Nitrobenzene\nAniline to Flur.... | 0:00 | 1 | |
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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 | Which of the following is not true about enantiomers?.... | 0:00 | 2 | |
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| 2024-09-24 | An organic compound containing C, H and O has 49.3 % carbon, 6.84 % hydrogen and its vapour dens.... | 0:00 | 10 | |
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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 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 | 5.975 g of the higher oxide of metal gave 5.575 g of lower oxide on heating. The quantity of the.... | 0:00 | 4 | |
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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 | 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 | (a) State de Broglie equation. Write its significance.\n(b) (i) How many electrons will present .... | 0:00 | 1 | |
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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 | 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 | (a) When alkyne is treated with bromine water then what will be the colour of the product?\n(b) .... | 0:00 | 2 | |
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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 | 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 | Describe the role of phytochrome in seed germination..... | 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 | 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 boiling point of a compound is raised by:.... | 0:00 | 3 | |
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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 | 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 | Cite an example of a classic case where a disease was spread by a person who was a cook by profe.... | 0:00 | 3 | |
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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 | Write the truth tables of (i) AND gate and (ii) NOT gate..... | 0:00 | 1 | |
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| 2024-09-24 | The d-electron configurations of Cr2+,Mn2+,Fe2+ and Co2+ are d4, d5, d6 and d7 respect.... | 0:00 | 3 | |
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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 | Draw structure for the polymer used for manufacture of non-stick utensils..... | 0:00 | 1 | |
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| 2024-09-24 | A small object is placed at the center of a large evacuated hollow spherical container. Assume t.... | 0:00 | 5 | |
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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 | 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 | A closely wound circular coil of radius \\(6.28 cm\\), having 50 turns carries a steady current .... | 0:00 | 37 | |
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| 2024-09-24 | Which of the following statements is not correct?.... | 0:00 | 70 | |
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| 2024-09-24 | Write any two characteristics of an electromagnetic wave. Why are microwaves used in radar syste.... | 0:00 | 0 | |
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| 2024-09-24 | Which sphere will transfer the electrons to the other sphere after they were brought in contact?.... | 0:00 | 134 | |
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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 | 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 | A ray of light is incident at an angle of \\(60^{\\circ}\\) on one face of a prism with the pris.... | 0:00 | 2 | |
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| 2024-09-24 | Briefly describe how the current sensitivity of a moving coil galvanometer can be increased..... | 0:00 | 4 | |
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| 2024-09-24 | An ac circuit consists of a series combination of circuit elements X and Y. The current is ahead.... | 0:00 | 1 | |
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| 2024-09-24 | Three cells, each of emf \\(\\mathrm{E}\\) but internal resistances \\(2 \\mathrm{r}, 3 \\mathrm.... | 0:00 | 24 | |
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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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