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NEET (UG)
List of top Questions asked in NEET (UG)
At
\(27ºC\)
latent heat of fusion of a compound is
\(2930\ J/mol\)
. Entropy change is:
NEET (UG) - 2000
NEET (UG)
Chemistry
Thermodynamics
\(2Zn +O_2→2ZnO \ \ \ \ ∆Gº=–616J \)
\(2Zn+S_2→2ZnS\ \ \ \ ∆Gº=–293J \)
\(S_2+2O_2→2SO_2\ \ \ \ ∆Gº=–408J \)
\(∆Gº\ for\ the\ following \ reaction\ is: \)
\(2ZnS+3O_2→2ZnO+2SO_2\)
NEET (UG) - 2000
NEET (UG)
Chemistry
Thermodynamics
\(\text {For\ the\ disproportionation\ of \ copper:}\)
\(2Cu+→Cu^{+2}+Cu\)
,
\(Eº\)
\(\text {is:}\)
\((\text {Given \ Eº \ for }\ Cu^{+2}/Cu \ \text {is}\ 0.34\ V\ \text { and\ Eº \ for} \ Cu^{+2}/Cu^+\ \text { is}\ 0.15\ V)\)
NEET (UG) - 2000
NEET (UG)
Chemistry
Electrochemistry
Genes for cytoplasmic male sterility in plants are generally located in:
NEET (UG) - 2000
NEET (UG)
Biology
The molecular basis of inheritance
A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to:
NEET (UG) - 2000
NEET (UG)
Physics
distance and displacement
In Friedal craft reaction Toluene can be prepared by:
NEET (UG) - 2000
NEET (UG)
Chemistry
Hydrocarbons
Increasing order of electrophilic substitution for following compounds:
NEET (UG) - 2000
NEET (UG)
Chemistry
Hydrocarbons
Maximum frequency of emission is obtained for the transition:
NEET (UG) - 2000
NEET (UG)
Chemistry
Structure of atom
The life span of atomic hydrogen is:
NEET (UG) - 2000
NEET (UG)
Chemistry
Structure of atom
For given energy, corresponding wavelength will be E=3.03×10
–19
Joules(h=6.6×10
–34
J.sec., C=3×10
8
m/sec.)
NEET (UG) - 2000
NEET (UG)
Chemistry
Structure of atom
Isoelectronic species are:
NEET (UG) - 2000
NEET (UG)
Chemistry
Structure of atom
For the given reaction, the particle X is:
6
C
11
→
5
B
11
+β
+
+X
NEET (UG) - 2000
NEET (UG)
Physics
Nuclei
A bubble in glass slab
$ (\mu = 1.5) $
when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is
NEET (UG) - 2000
NEET (UG)
Physics
Refraction of Light
Oxidation numbers of
\(A,B\)
and
\(C\)
are
\(+2,+5\)
and
\(– 2\)
respectively possible formula of compound is:
NEET (UG) - 2000
NEET (UG)
Chemistry
Redox reactions
The value of quality factor is
NEET (UG) - 2000
NEET (UG)
Physics
Alternating current
Due to the cross between TTRr x ttrr the resultant progenies show what percent of tall, red flowered plants
NEET (UG) - 2000
NEET (UG)
Biology
Principles of Inheritance and Variation
Cation and anion combines in a crystal to form following type of compound
NEET (UG) - 2000
NEET (UG)
Chemistry
The solid state
Which one of the following has magnesium?
NEET (UG) - 2000
NEET (UG)
Chemistry
Biomolecules
Which evidence of evolution related to Darwin's finches:
NEET (UG) - 2000
NEET (UG)
Biology
Evolution
A car battery of emf 12V and internal resistance 5×10
–2
Ω,receives a current of 60Å from external source,then terminal voltage of battery is:
NEET (UG) - 2000
NEET (UG)
Physics
Current electricity
If
\(\vec F\)
=(60
\(\hat i\)
+15
\(\hat j\)
-3
\( \hat k\)
)N and
\(\vec V\)
=(2
\(\hat i\)
-4
\(\hat j\)
+5
\( \hat k\)
)m/s, then instantaneous power is:
NEET (UG) - 2000
NEET (UG)
Physics
work, energy and power
A
$ 500 \,kg $
car takes a round turn of radius
$ 50\, m $
with a velocity of
$ 36\, km/h $
. The centripetal force is
NEET (UG) - 1999
NEET (UG)
Physics
Motion in a plane
The current in the given circuit is
NEET (UG) - 1999
NEET (UG)
Physics
Current electricity
The internal resistance of a cell of e.m.f. 2 V is
$0.1\, \Omega$
It is connected to a resistance of
$3.9\, \Omega$
. The voltage across the cell will be
NEET (UG) - 1999
NEET (UG)
Physics
Current electricity
In a meter bridge, the balancing length from the left end (standard resistance of one ohm is in the right gap) is found to be 20 cm. The value of the unknown resistance is
NEET (UG) - 1999
NEET (UG)
Physics
Current electricity
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