>
questions
List of practice Questions
The average kinetic energy of a gas molecule is
JKCET - 2008
JKCET
Physics
Kinetic molecular theory of gases
The magnetic susceptibility of paramagnetic materials is
JKCET - 2008
JKCET
Physics
Magnetic properties of materials
The products obtained when anisole is heated in a sealed tube with
$HI$
are
JKCET - 2008
JKCET
Chemistry
Ethers
Nitration of nitrobenzene at $ 125^{\circ} C $ with mixed acids gives
JKCET - 2008
JKCET
Chemistry
Amines
To convert a moving coil galvanometer $(MCG)$ into a voltmeter
JKCET - 2008
JKCET
Physics
Current electricity
The metallurgical process in which a metal is obtained in a fused state is called
JKCET - 2008
JKCET
Chemistry
Concentration of ores
IUPAC name of
$CH _{3}- \underset{\overset{|}{Cl}}{C}H - CH _{2}- CHO$
is
$Cl$
JKCET - 2008
JKCET
Chemistry
Organic Chemistry
The net magnetic flux through any closed surface, kept in a magnetic field is
JKCET - 2008
JKCET
Physics
Magnetism and matter
According to Lenz's law of electromagnetic induction
JKCET - 2008
JKCET
Physics
Electromagnetic induction
Consider a thin spherical shell of radius
$R$
consisting of uniform surface charge density
$\sigma$
The electric field at a point of distance
$x$
from its centre and outside the shell is
JKCET - 2008
JKCET
Physics
Electric charges and fields
The energy released in the fission of $ 1 \,kg $ of $ _{92}{{U}^{235}} $ is (energy per fission = 200 MeV)
KEAM - 2008
KEAM
Physics
Nuclei
The latent heat of fusion of ice at
$0^{\circ} C$
is
$80\, cal / g$
. Entropy change
$(\Delta S)$
accompanying the melting of
$1\, g$
of ice at
$0^{\circ} C$
would be (units:
$cal / g / K$
)
JKCET - 2008
JKCET
Physics
Laws of thermodynamics
The work done in bringing at a unit positive charge from infinity distance to a point at distance
$x$
from a positive charge
$Q$
is
$W$
. Then the potential
$ \phi $
at that point is
JKCET - 2008
JKCET
Physics
Electrostatic potential
When a
$p-n$
junction diode is connected in forward bias its barrier potential
JKCET - 2008
JKCET
Physics
Semiconductor electronics: materials, devices and simple circuits
The frequency of the fundamental note in a wire stretched under tension $T$ is $f$. If the tension is increased to $25 \,T$, then the frequency of the fundamental note will be
JKCET - 2008
JKCET
Physics
Waves
A body moving along a circular path of radius
$R$
with velocity
$v$
, has centripetal acceleration a. If its velocity is made equal to
$2v$
, then its centripetal acceleration is
JKCET - 2008
JKCET
Physics
Motion in a plane
Wien 's displacement law for emission of radiation can be written as
$(\lambda_{max}$
= wavelength whose energy density is greatest)
JKCET - 2008
JKCET
Physics
thermal properties of matter
Kirchhoff's second law for the analysis of circuit is based on
JKCET - 2008
JKCET
Physics
Current electricity
The capacitance
$C$
of a capacitor is
JKCET - 2008
JKCET
Physics
electrostatic potential and capacitance
$Di$
-chloroacetic acid is a stronger acid than acetic acid. This is due to occurrence of
JKCET - 2008
JKCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Electron density in the
$y z$
-plane of
$3 d_{x^{2}-y^{2}}$
orbital is
JKCET - 2008
JKCET
Chemistry
Structure of atom
Which of the following alkenes gives only acetaldehyde on ozonolysis?
JKCET - 2008
JKCET
Chemistry
Hydrocarbons
The dipole moment of a dipole in an uniform external field
$ \vec{E} $
is
$ \vec{P} $
. Then, the torque
$ (\tau ) $
acting on the dipole is
JKCET - 2008
JKCET
Physics
Electric Dipole
What happens to the yield on application of high pressure in the Habefs synthesis of ammonia?
JKCET - 2008
JKCET
Chemistry
Equilibrium
The depletion layer in a silicon diode is
$ 1\,\mu m $
wide and its knee potential is
$0.6\,V$
, then the electric field in the depletion layer will be
JKCET - 2008
JKCET
Physics
Electrostatic potential
Prev
1
...
7018
7019
7020
7021
7022
...
8524
Next