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

(#M40019752) IIT-JEE QUESTION Keep an EYE

In a triangle ABC, let angle C=π/2.If r and R are the inradius and the circumradius resp, of a triangle then 2(r+R) is equal to,
(a). a+b
(b). b+c
(c). c+a
(d). a+b+c

Asked In IIT-JEE Chandni Maurya (5 years ago)

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(#M40027785) IIT-JEE QUESTION 2011 question Keep an EYE

A silver sphere of radius 1 cm and work function 4.7 eV is suspended from an insulating thread in freespace.
It is under continuous illumination of 200 nm wavelength light. As photoelectrons are emitted, the
sphere gets charged and acquires a potential. The maximum number of photoelectrons emitted from the
sphere is A ´ 10^z (where 1 < A < 10). The value of ‘Z’ is

Asked In IIT-JEE MAN (5 years ago)

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(#M40028084) IIT-JEE QUESTION Mental Ability Keep an EYE

The species having bond order different from that in CO is
(A) NO− (B) NO+
(C) CN− (D) N2

Asked In IIT-JEE MAN (5 years ago)

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(#M40027842) IIT-JEE QUESTION 2011 question Keep an EYE

Which of the following exists as covalent crystals
in the solid state ?
(1) Sulphur (2) Phosphorus
(3) Iodine (4) Silicon

Asked In IIT-JEE MAN (5 years ago)

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(#M40021802) IIT-JEE QUESTION STRAIGHT LINE Keep an EYE

For a > b > c > 0, the distance between (1, 1) and the point of intersection of the lines ax + by + c = 0 and bx + ay + c = 0 is less than 2 2, then
option
A. a+b-c>0
B. a+b-c<0
C. a-b-c=0
D. None of these

Asked In IIT-JEE MAN (5 years ago)

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(#M40027948) IIT-JEE QUESTION 2012 question Keep an EYE

The carboxyl functional group (– COOH) is present in
(A) picric acid (B) barbituric acid
(C) ascorbic acid (D) aspirin

Asked In IIT-JEE MAN (5 years ago)

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(#M40037439) IIT-JEE QUESTION Keep an EYE

: Three machines A, B and C produce respectively 60%, 30% and 10 % of the total number of items of a factory. The percentage of defectives output of these machines are 2%, 3% and 4%, respectively. If an item is selected at random and is found defective. Find the probability that the selected item was produced by machine C.

Asked In IIT-JEE himanshu (4 years ago)

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(#M40027767) IIT-JEE QUESTION 2011 question Keep an EYE

Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
(A) II, III in haematite and III in magnetite (B) II, III in haematite and II in magnetite
(C) II in haematite and II, III in magnetite (D) III in haematite and II, III in magnetite

Asked In IIT-JEE MAN (5 years ago)

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(#M40021777) IIT-JEE QUESTION statement type Keep an EYE

Consider
L1 : 2x + 3y + p - 3 = 0
L2 : 2x + 3y + p + 3 = 0,
where p is a real number, and C : x^2 + y^2 + 6x - 10y + 30 = 0.
STATEMENT -1 : If line L1 is a chord of circle C, then line L2 is not always a diameter of circle C.
and
STATEMENT -2 : If line L1 is a diameter of circle C, then line L2 is not a chord of circle C.
(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 False
(D) STATEMENT -1 is False, STATEMENT -2 is True

Asked In IIT-JEE MAN (5 years ago)

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(#M40040607) IIT-JEE QUESTION radius of earth Keep an EYE

If the indian govt. allows to drive a vehicle on right side of a road instead of left then what will be change in the radius of Earth?
a)increase
b)decrease
c)remains the same
d)none of these

Asked In IIT-JEE Mohammad Sunny (4 years ago)

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