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questions
List of practice Questions
Magnetic moment of
$Ce^{3+}$
ion on the basis of ??pin-only?
Chemistry
d -and f -Block Elements
Magnetic field at the center (at nucleus) of the hydrogen like atoms (atomic number =Z) due to the motion of electron in n the orbit is proportional to
Physics
Atoms
Magnetic field due to a current carrying toroidal solenoid is independent of :
Physics
Magnetic Field
Magnetic field induction at the center of a circular coil of radius 5cm and carrying a current 0.9 A is ( in S.I. units) (
$\in_0$
= absolute permittivity of air in S.l. units: velocity of light=
$3 \times 10^8\,ms^{-1}$
)
Physics
Moving charges and magnetism
Magnetic flux linked with a stationary loop of resistance R varies with respect to time during the time period T as follows:
$\phi=at(T-t)$
the amount of heat generated in the loop during that time (inductance of the coil is negligible) is
Physics
Electromagnetic induction
$M_x$
and
$M_y$
denote the atomic masses of the parent and the daughter atom respectively in a radioactive decay. The
$Q$
-value for a
$\beta^-$
decay is
$Q_1$
and that for a
$\beta^+$
decay is
$Q_2$
. If
$m_e$
denotes the mass of an electron, then which of the following statements is correct?
Physics
Nuclei
Magnesium wire continues to burn in the atmosphere of
$CO_2$
,though
$CO_2$
is not a supporter of combustion because
Chemistry
GROUP 1 ELEMENTS
Lysigenous cavity in monocot stem vascular bundles develops by the dissolution of
Biology
Anatomy of Flowering Plants
Lysis of foreign cells is mediated through
Biology
Human health and disease
m-Bromobenzaldehyde on reaction with conc.KOH at room temperature gives
Chemistry
Aldehydes, Ketones and Carboxylic Acids
M.O.I. of a cylinder around its generator is
Physics
System of Particles & Rotational Motion
Lucas reagent reacts fastest with
Chemistry
Alcohols, Phenols and Ethers
Lyophilic sols are also called reversible colloids because
Chemistry
Surface Chemistry
Loss of liquid water by guttation occurs through
Biology
Transport in Plants
Lucas reagent is used to distinguish among primary, secondary and tertiary
Chemistry
Alcohols, Phenols and Ethers
Longitudinal chromatic aberration depends on:
Physics
Ray optics and optical instruments
Loss of electrons is oxidation. The process at anode is
Chemistry
Electrochemistry
Locus of the point of intersection of perpendicular tangents to the circle
$x^2 + y^2 = 16 $
is
Mathematics
Conic sections
Long uninucleate muscles are found in
Biology
locomotion and movement
Longest bone of Frog is
Biology
locomotion and movement
Lithium is the strongest reducing agent though it has highest ionisation energy in its group. Which of the following factors is responsible for making
$Li$
the strongest reducing agent?
Chemistry
GROUP 1 ELEMENTS
Lithium salts are mostly hydrated like
$LiCl\cdot 2H_{2}O$
due to
Chemistry
GROUP 1 ELEMENTS
Locus of centroid of the triangle whose vertices are
$(a \cos \, t, a \sin \, t),(b \sin \, t,- b \cos \, t)$
and (1, 0), where t is a parameter, is
Mathematics
Straight lines
List the incorrect statement out of the following:
Chemistry
Redox reactions
Lithium and Magnesium exhibit diagonal relationship because
Chemistry
GROUP 1 ELEMENTS
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