Recent questions tagged class11

The mole fraction of the solute in one molal aqueous solution is

asked Jun 19, 2019 by bhuwankumarrai00

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If x=square root of2+root3/2-root3 then x^2(x-4)^2 is

asked Jun 19, 2019 by tbmehta11

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a circular disc is rotating about its own axis at uniform rate completes 30

asked Jun 19, 2019 by varalikashashidhar11

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A sheel is fired from gun with certain velocity at the angle 25° can strik

asked Jun 19, 2019 by sandesh.xeetri

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The pairs of physical quantities that have the same dimensions are: (i) Rey

asked Jun 19, 2019 by nikhilrajput4265

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If alpha and beta are the roots of the equation (p^2+p+1)x^2+(p-1)x+p^2=0su

asked Jun 19, 2019 by dashrathkumarsuman

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Coefficient of cubical expansion of a solid is 0.000027degree Celsius if th

asked Jun 18, 2019 by banenoluswarupakurmaswarupa

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What is the value of 'a' and 'b',if 2a+3b=30.

asked Jun 18, 2019 by ragaalamelu

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The radius of hydrogen atom is the ground state is 0.53A°the radius of Li2

asked Jun 18, 2019 by zakeerh405

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A photon of wavelength 4×10^-7 m strikes on metal surface .the work functi

asked Jun 18, 2019 by kblraju007

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CaCO_3 decomposes to give CaO &CO2 produced are 5.6g & 4.4g respectively by

asked Jun 18, 2019 by anamikameeragupta

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x^2-2/x-1=1-2/x-1,what are it's roots

asked Jun 18, 2019 by chitranshumishra7

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A vessel containing gas at a pressure of 60 cm of Hg was connected to arm A

asked Jun 18, 2019 by snehalr071

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Assume that a car is able to stop with retardation of 8 ms-1 and that a dri

asked Jun 18, 2019 by khushikashyap358

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a particle initially at rest starts moving in a straight line with an accel

asked Jun 18, 2019 by dlokeshreddy04

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Mean is 68.53 and median is 70.2.estimate the value of mode

asked Jun 17, 2019 by roshanlama4197

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If vectors A and B are such that |A+B|=|A|=|B| then |A-B|may be equated to

asked Jun 17, 2019 by khushjha19

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The change in internal energy during the adiabatic expansion of 2 mole gas

asked Jun 17, 2019 by ranaashutoshkumar856

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A system does 30joule work after absorbing 32 cal heat the change in intern

asked Jun 17, 2019 by ranaashutoshkumar856

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When an ideal diatomic gas is heated at constant pressure then what fractio

asked Jun 17, 2019 by ranaashutoshkumar856

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a particle starts its motion with an acceleration of a=2t, where t is time

asked Jun 17, 2019 by de9813854410

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cell fractionation require which of following

asked Jun 17, 2019 by sajjadhussainrajper10

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Calculate the molarity of water if its density is 1.02g cm‒3

asked Jun 17, 2019 by somaru.singh100

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460cm of sulphur (iv) oxide can diffuse through parous partition in 30 seco

asked Jun 16, 2019 by gbonorkadilobariperfect

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Name non membrane bound cell organelle found only in animal cells.

asked Jun 16, 2019 by shreeyaagrawal2003

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A body move 6m north, 8m east and 10m vertically upward, what is it result

asked Jun 16, 2019 by lcmishra1976

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What is the percentage water of crystallisation in MgSO4•5H2O

asked Jun 16, 2019 by litiakorowale191101

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Dimensional formula of e^2

asked Jun 16, 2019 by affankhan058

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Calculate the velocity of an electron placed in third orbit of hydrogen ato

asked Jun 16, 2019 by kumartanmay315

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a uniform chain of length L is placed on a rough table with length nl havin

asked Jun 16, 2019 by ghazalajamal685

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H2 and O2 are taken in 2:1 ratio. Calculate components of gaseous mixture a

asked Jun 16, 2019 by ishikagupta30112002

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Q8.IN 500g of tooth paste the concentration of floride is 0.2 gm which one

asked Jun 16, 2019 by maafaqkhan2013

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Q5.the freezing pointsof equimolal aqous solution will be highest for

asked Jun 16, 2019 by maafaqkhan2013

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Give an ex of alkali metal which produce photoelectric effect

asked Jun 16, 2019 by hardikawasthi035

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find the direction in which a straight line must be drawn through the point

asked Jun 15, 2019 by kinglionbny

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If 1.5 moles of oxygen with al to form al2o3 the weight of all used in the

asked Jun 15, 2019 by subhamayush7813

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Covert into roster form : A={x:x is an integer ,-1/2 <x<9/2}

asked Jun 15, 2019 by kubracontractor786

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If cosx-sinx=1.414sinx then cosx +sinx=

asked Jun 15, 2019 by kvdrao1973

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5 g of caco3 when heated the co2 liberated was found 1liter at stp. Calcula

asked Jun 15, 2019 by speedabhishek79

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In hydrogen atom enegy of electron is -3.4eV . What is the kinetic energy o

asked Jun 15, 2019 by aafreenjkj

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A particle is projected vertically upwards from a point A on the ground. It

asked Jun 15, 2019 by rahulkumarmandarh

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0.635g of a metal gives on oxidation 0.795g of its oxide. calculate equival

asked Jun 15, 2019 by 3daniel3daniel

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Determine the angles which the vector A=5i^+0j^+5k^ Makes with x,y,z access

asked Jun 15, 2019 by jagadishboro791

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Nitrogen atomic no.is 7 and oxhoxy atomic no.is 8 and no.of electrons in ni

asked Jun 14, 2019 by sunkaraganeshbabu123

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2 bodies are projected from the same point with Same speed in the Direction

asked Jun 14, 2019 by bhargu2003

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Find degree measure of following radian measure -3

asked Jun 14, 2019 by prernag420

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Car A and car B start moving simultaneously in the same direction along the

asked Jun 14, 2019 by kapoorkeshav108

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If A depends on B,C and D according to relation A=B÷3.14C^2D then find cor

asked Jun 14, 2019 by dhireshsingh1975

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A rocket is fired vertically upwards from the surface of the earth and it m

asked Jun 13, 2019 by shasanmahmood05

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cotalpha.cotbeta=3 prove that cos(alpha+beta)bycos(alpha-beta)

asked Jun 13, 2019 by narindam49

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