Physics-
General
Easy
Question
Three identical large plates are fixed at separation of d from each other as shown. The area of each plate is A. Plate 1 is given charge +Q while plates 2 and 3 are neutral and are connected to each other through coil of inductances L and switch S. If resistance of all connected wires is neglected the maximum current flow through coil after closing switch is (C = e0 A/d) (neglect fringe effect)
The correct answer is:
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Rate of a chemical reaction can be kept constant by:
Rate of a chemical reaction can be kept constant by:
Chemistry-General
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Inversion of a sugar follows first order rate equation which can be followed by noting the change in rotation of the plane of polarisation of light in a polarimeter. If 1:", li and '0 are the fotations at t = 00, t = t and t = 0, then first order reaction can be written as:
Inversion of a sugar follows first order rate equation which can be followed by noting the change in rotation of the plane of polarisation of light in a polarimeter. If 1:", li and '0 are the fotations at t = 00, t = t and t = 0, then first order reaction can be written as:
Chemistry-General
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A substance undergoes first order decomposition. The decomposition follows two parallel first order reactions as: 
The percentage distributions of Band Care:
A substance undergoes first order decomposition. The decomposition follows two parallel first order reactions as: The percentage distributions of Band Care:
Chemistry-General
Chemistry-
Two reactions 
Products and 
Products, have rate constants k,4 and kB at temperature T and activation energies EA and EB respectively. If kA > kB and EA < EB and assuming that A for both the reactions is same, then:
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Chemistry-General
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In the following first order competing reactions; 
. The ratio of 
if only 50% of B will have been reacted when 94% of A has been reacted is:
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Chemistry-General
Chemistry-
For an endothermic reaction, where Mf represents the enthilJpy of the reaction in kJ/mol, the minimum value for the energy of activation will be:
For an endothermic reaction, where Mf represents the enthilJpy of the reaction in kJ/mol, the minimum value for the energy of activation will be:
Chemistry-General
Chemistry-
The hydrolysis of an ester was carried out separately with 0.05 NHCl and 0.05 NH2S04. Which of the following will be true?
The hydrolysis of an ester was carried out separately with 0.05 NHCl and 0.05 NH2S04. Which of the following will be true?
Chemistry-General
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From the following data, the activation energy for the reaction (cal/mol) is:
<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/643590/1/1165511/Picture1.png" alt="" width="244" height="166"
From the following data, the activation energy for the reaction (cal/mol) is:
<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/643590/1/1165511/Picture1.png" alt="" width="244" height="166"
Chemistry-General
Chemistry-
In gaseous reactions, important for the understanding of the upper atmosphere H20 and 0 react bimolecularly to form two OH radicals. Mf for this reaction is 72 kJ at 500 K and Ea is 77 kJ mol-I; then for the bimolecular recombination of two OH radicals to form H20 and 0 is:
In gaseous reactions, important for the understanding of the upper atmosphere H20 and 0 react bimolecularly to form two OH radicals. Mf for this reaction is 72 kJ at 500 K and Ea is 77 kJ mol-I; then for the bimolecular recombination of two OH radicals to form H20 and 0 is:
Chemistry-General
Chemistry-
(A) The order of a reaction can have fractional value.
(R) The order of a reaction cannot be written from balanced equation of a reaction.
(A) The order of a reaction can have fractional value.
(R) The order of a reaction cannot be written from balanced equation of a reaction.
Chemistry-General
Physics-
In LR circuit (shown in figure), current is lagging by 
in phase with applied voltage, then select correct alternative :
In LR circuit (shown in figure), current is lagging by in phase with applied voltage, then select correct alternative :
Physics-General
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Ametalrodoflength,movingwithanangularvelocityandvelocityofitscentreisv.Findpotentialdifference betweenpointsAandBattheinstantshowninfigure.AuniformmagneticfieldofstrengthBexistperpendicular
to plane of paper :
Ametalrodoflength,movingwithanangularvelocityandvelocityofitscentreisv.Findpotentialdifference betweenpointsAandBattheinstantshowninfigure.AuniformmagneticfieldofstrengthBexistperpendicular
to plane of paper :
Physics-General
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Particle sticks to wooden loop, If particle reach at the lowest position for first time after time T. Then displacement of centre of mass of system in this time interval will be :
Particle sticks to wooden loop, If particle reach at the lowest position for first time after time T. Then displacement of centre of mass of system in this time interval will be :
Physics-General
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One end of a light rod of length 1 m is attached with a string of length 1m. Other end of the rod is attached at point O such that rod can move in a vertical circle. Other end of the string is attached with a block of mass 2kg. The minimum velocity that must be given to the block in horizontal direction so that it can complete the vertical circle is (g = 10 m/s2 )
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Physics-General
Physics-
Three point masses are attached by light inextensible strings of various lengths to a point O on the ceiling. All of the masses swing round in horizontal circles of various radii with the same angular frequency w (one such circle is drawn in the shown figure.) Then pick up the correct statement.
Three point masses are attached by light inextensible strings of various lengths to a point O on the ceiling. All of the masses swing round in horizontal circles of various radii with the same angular frequency w (one such circle is drawn in the shown figure.) Then pick up the correct statement.
Physics-General
