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Frequently Asked IIT-JEE Latest Exam Pattern - IIT-JEE Sample Question with Solutions

(#M40027903) IIT-JEE QUESTION 2010 question Keep an EYE

When two identical batteries of internal resistance 1Ω each are connected in series across a resistor R, the
rate of heat produced in R is J1. When the same batteries are connected in parallel across R, the rate is J2. If
J1 = 2.25 J2 then the value of R in Ω is

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(#M40027356) IIT-JEE QUESTION Unit and Dimension Keep an EYE

Choose the correct statement (s)
(A)all quantities may be represented
dimensionally in terms of the base
quantities
(B) all base quantity cannot be represented
dimensionally in terms of the rest of the
base quantities
(C) the dimension of a base quantity in other
base quantities is always zero.
(D) the dimension of a derived quantity is
never zero in any base quantity

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(#M40027347) IIT-JEE QUESTION Physics Keep an EYE

Which of the following sets cannot enter into
the list of fundamental quantities in any
system of units
(A) length ; mass ; velocity
(B) length ; time ; velocity
(C) mass ; time; velocity
(D) length ; time, mass

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(#M40027369) IIT-JEE QUESTION Unit and Dimension Keep an EYE

If there is a physical quantity whose
dimensional formula is [ML2T–2]. Determine
the physical quantity

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(#M40027773) IIT-JEE QUESTION 2011 question Keep an EYE

The volume (in mL) of 0.1 M AgNO3 required for complete precipitation of chloride ions present in 30 mL
of 0.01 M solution of [Cr(H2O)5Cl]Cl2, as silver chloride is close to

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(#M40027920) IIT-JEE QUESTION 2010 question Keep an EYE

A tiny spherical oil drop carrying a net charge q is balanced in still air with a vertical uniform electric field
of strength 81pie/7* 10^5Vm^–1. When the field is switched off, the drop is observed to fall with terminal
velocity 2 × 10^–3 ms^–1. Given g = 9.8 ms^–2, viscosity of the air = 1.8 × 10^–5 Ns m^–2 and the density of oil =
900 kg m^–3, the magnitude of q is

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(#M40028089) IIT-JEE QUESTION Mental Ability Keep an EYE

STATEMENT-1: Boron always forms covalent bond.
because
STATEMENT-2: The small size of B3+ favours formation of covalent bond.
(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.
(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.
(C) Statement-1 is True, Statement-2 is True.
(D) Statement-1 is False, Statement-2 is True.

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(#M40027985) IIT-JEE QUESTION 2012 question Keep an EYE

For a dilute solution containing 2.5 g of a non- volatile non- electrolyte solute in 100 g of water, the elevation in boiling point at 1 atm pressure is 2ºC. Assuming concentration of solute is much lower than the concentration of solvent, the vapour pressure (mm of Hg) of the solution is (take Kb = 0.76 K kg mol–1)
option
(A) 724
(B) 740
(C) 736
(D)718

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(#M40027978) IIT-JEE QUESTION 2012 question Keep an EYE

The reaction of white phosphorous with aqueous NaOH gives phosphine along with another phosphorus
containing compound. The reaction type; the oxidation states of phosphorous in phosphine and the other
product are respectively
(A) redox reaction; – 3 and –5
(B) redox reaction ; 3 and + 5
(C) disproportionation reaction ; – 3 and + 5
(D) disproportionation reaction; – 3 and + 3

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(#M40027987) IIT-JEE QUESTION 2012 question Keep an EYE

Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is
(A) Cl2O (B) Cl2O7 (C) ClO2 (D) Cl2O6

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