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In equation y=Acos(ωt-kx), where t is in second and x and y are in meter, the dimensional formula for ...
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STATEMENT-I: A person standing on a rotating platform suddenly stretched his arms. The platform slows down. STATEMENT-II: Angular momentum is conserved when no external torque is applied. ...
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Asserion Reasonong Type STATEMENT-I: Force is required to move a body uniformly along a circle STATEMENT-II: When the motion is uniform, acceleration is zero ...
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STATEMENT-I: Work done by a gas in isothermal expansion is more than the work done by the gas in the same expansion, adiabatically. STATEMENT-II: Temperature remains constant in isothermal expansion, and not in adiabatic expa ...
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STATEMENT-I: Steel is more elastic than rubber. STATEMENT-I: Under a given deforming force, steel is deformed less than rubber. ...
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comprehension for ques 38-40 Two parallel plate capacitors A and B have the same separation d=8.85×10-4 m between the plates. The plate area of A and B are 0.04 m2 and 0.02 m2 respectively. A slab of dielctric constant K ...
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The same dielectric slab is now placed inside B, filling it completely. The two capacitors A and B are then connected as shown in figure. The energy stored in the system is *Image* ...
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The battery is disconnected and then the dielctric slab is removed from A. Find the work done by the external agency in removing the slab from A. ...
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Comprehension for ques 41-43 Two moles of an ideal monoatomic gas is taken through a cycle ABCA as shown in the P-T diagram. During the process AB, pressure and temperature of the gas vary such that PT=constant. T1=30 ...
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find the solution of xyy'=x2+y2 ...
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Find the height of right cylinder with maximum volume that can be inscribed in a sphere of radius R. ...
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In the nuclear reaction 92U235→82Pb207, α and β particles are lost. The no. of β particles lost is ...
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In presence of peroxide, the addition of hydrogen chloride to propene gives ...
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1-chlorobutane, on reaction with alcoholic KOH gives ...
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Ozonolysis of 2,3-dimethyl -1-butene followed by reduction with zinc and water gives ...
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A compound which does not give iodoform test on treatment with alkali and iodine is ...
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In the following compounds I - phenol II - p-methylphenol III- m-nitrophenol IV- p-nitrophenol The order of acidity is ...
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*Image* will show ...
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The total number of isomers for C4H8 is ...
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Which of the following represents the given mode of hybridization sp2-sp2-sp-sp ...
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A compound is soluble in conc. H2SO4. It does not decolorise bromine in carbon tetrachloride but it is oxidised by chromic anhydride in aqueous solphuric acid within 2 seconds, turning orange solution to blue, green and then ...
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A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives ...
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∫(x2+3)/(x4-1)dx=Atan-1x+Bln|(x-1)/(x+1)|, then A is ...
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The domain of the function f(x)=1/√(x+1) +ln(1-x) ...
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Which of the following has the smallest dissociation constant? ...
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logx2x2=1 is satisfied for x in ...
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For H3PO3 and H3PO4 the correct choice is ...
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In which of the following minerals, aluminium is not present? ...
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The number of S-S bonds in sulphur trioxide is trimer (S3O9) is ...
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Which of the following compounds cannot be identified by carbylamine test? ...