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Frequently Asked IIT-JEE Latest Exam Pattern - IIT-JEE Sample Question with Solutions Page 6

(#M40027360) IIT-JEE QUESTION Unit and Dimension Keep an EYE

The time dependence of physical quantity P
is found to be of the form
P = P0e–αt2
Where‘t’ is the time and α is some constant.
Then the constant α will

Asked In IIT-JEE MAN (12 years ago)

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(#M40152117) IIT-JEE QUESTION Time and distance Keep an EYE

A and B take a straight route to the same terminal points and travel with constant speed. at the initial moment,the positions of the two and the terminal pt. form a equilateral triangle. when A moves a distance of 80km, the triangle becomes right angled. when A is at a dist. of 120km from the end pt. ,B has already reached the end pt. Find the distance between them at the initial moment assuming that there are integral distances throughout the movements described.

Asked In IIT-JEE Souradeep Guhathakurta (10 years ago)

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(#M40027921) IIT-JEE QUESTION 2010 question Keep an EYE

A Vernier calipers has 1 mm marks on the main scale. It has 20 equal divisions on the Vernier scale which
match with 16 main scale divisions. For this Vernier calipers, the least count is
(A) 0.02 mm (B) 0.05 mm
(C) 0.1 mm (D) 0.2 mm.

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(#M40035196) IIT-JEE QUESTION Keep an EYE

If in a triangle ABC,
cosAcosB+sinAsinBsinc=1, then a:b:c=?

Asked In IIT-JEE harshal agrawal (11 years ago)

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(#M40027840) IIT-JEE QUESTION 2011 question Keep an EYE

Which one of the following molecules is expected
to exhibit diamagnetic behaviour ?
(1) O2 (2) S2 (3) C2 (4) N2

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(#M40028102) IIT-JEE QUESTION 2007 Question Keep an EYE

A small object of uniform density rolls up a curved surface with an initial velocity v.
It reaches up to a maximum height of
3v^2/4g
with respect to the initial position. The
object is
(A) ring (B) solid sphere
(C) hollow sphere (D) disc

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(#M40028070) IIT-JEE QUESTION Mental Ability Keep an EYE

In an experiment to determine the focal length (f) of a concave mirror by the u–v method, a student places the object
pin A on the principal axis at a distance x from the pole P. The student looks at the pin and its inverted image from a
distance keeping his/her eye in line with PA. When the student shifts his/her eye towards left, the image appears to the
right of the object pin. Then,
(A) x < f (B) f < x < 2f
(C) x = 2f (D) x > 2f

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(#M40027977) IIT-JEE QUESTION 2012 question Keep an EYE

NiCl2 {P (C2H5)2 (C6H5)}2 exhibits temperature dependentmagnetic behaviour (paramagnetic/ diamagnetic) .
the coordination geometries of Ni2+ in the paramagnetic and diamagnetic states are respectively
(A) tetrahedral and tetrahedral
(B) square planar and square planar
(C) tetrahedral and square planar
(D) square planar and tetrahedral

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(#M40027738) IIT-JEE QUESTION Chemistry Keep an EYE

Extra pure N2 can be obtained by heating
(A) NH3 with CuO (B) NH4NO3
(C) (NH4)2Cr2O7 (D) Ba(N3)2

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(#M40028150) IIT-JEE QUESTION 2008 Question Keep an EYE

In the core of nuclear fusion reactor, the gas becomes plasma because of
(A) strong nuclear force acting between the deuterons
(B) Coulomb force acting between the deuterons
(C) Coulomb force acting between deuteron-electron pairs
(D) the high temperature maintained inside the reactor core

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