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questions
List of practice Questions
A wheel starting from rest gains an angular velocity of
$10$
rad/s after uniformly accelerated for
$5$
sec. The total angle through which it has turned is
KCET - 2020
KCET
Physics
Uniform Circular Motion
Young's modulus of a perfect rigid body is
KCET - 2020
KCET
Physics
elastic moduli
The value of acceleration due to gravity at a height of
$10\,km$
from the surface of earth is
$x$
. At what depth inside the earth is the value of the acceleration due to gravity has the same value
$x$
?
KCET - 2020
KCET
Physics
Gravitation
Let f(x) be a quadratic polynomial such that f(–1) + f(2) = 0. If one of the roots of f(x) = 0 is 3, then its other root lies in :
JEE Main - 2020
JEE Main
Mathematics
Quadratic Equations
The IUPAC name of the complex
$[Pt(NH_3)_2Cl(NH_2CH_3)]Cl$
is :
JEE Main - 2020
JEE Main
Chemistry
Isomerism in Coordination Compounds
Lenz's law gives
AP POLYCET - 2019
AP POLYCET
AP POLYCET - 2020
Physics
Direction sense
Which one of the following layers of a metallic compound can be formed on electric wire as insulator during rainy season and causes the power supply to our home from the electric pole to be interrupted?
AP POLYCET - 2020
AP POLYCET
Chemistry
Coordination Compounds
The chemical equation BaCl
2
+ Na
2
SO
4
→BaSO
4
+ 2NaCl is an example for which type of the following chemical reactions?
AP POLYCET - 2020
AP POLYCET
Chemistry
Chemical Reaction
The volume occupied by 10 grams of hydrogen gas at STP is
AP POLYCET - 2020
AP POLYCET
Chemistry
Specific Heats of a Gas Mixture
If the radius of a sphere is tripled, then its volume will become
AP POLYCET - 2020
AP POLYCET
Mathematics
Volume of a Sphere
If two circles touch internally, then the number of their common tangents is
AP POLYCET - 2020
AP POLYCET
Mathematics
Circles
The length of tangent from a point 15 cm away from the centre of a circle of radius 9 cm is
AP POLYCET - 2020
AP POLYCET
Mathematics
Circles
If \( z = x + iy \), then the equation \( |z + 1| = |z - 1| \) represents:
KCET - 2020
KCET
Mathematics
Complex numbers
\(△ABC∼△PQR;\)
\(\frac {AB}{PQ}=\frac {BC}{QR}=\frac {AC}{PR}=k\)
, then
\(k\)
value
TS POLYCET - 2020
TS POLYCET
Mathematics
Similarity of Triangles
As per Moeller chart, the correct ascending order of their energies of the following orbitals is
AP POLYCET - 2020
AP POLYCET
Chemistry
Molecular Orbital Theory
The names of the sub-shells present in M shell (n= 3) are
AP POLYCET - 2020
AP POLYCET
Chemistry
Chemical Reaction
The number of water molecules present in one formula unit of gypsum is
AP POLYCET - 2020
AP POLYCET
Chemistry
Atoms and Molecules
Which one of the following types of medicine is used for treating indigestion?
AP POLYCET - 2020
AP POLYCET
Chemistry
Drugs
The colour of methyl orange in alkaline medium (basic) is
AP POLYCET - 2020
AP POLYCET
Chemistry
Chemical Reaction
The chemical name of baking soda is
AP POLYCET - 2020
AP POLYCET
Chemistry
Chemical Reaction
A thin layer of 'X' metal is used as galvanizing on iron surface to protect from rusting of iron. The name of X metal is
AP POLYCET - 2020
AP POLYCET
Chemistry
Surface
CH
3
COOH is an organic
AP POLYCET - 2020
AP POLYCET
Chemistry
Chemical Reaction
Which one of the following compound hydrocarbons can show isomerism?
AP POLYCET - 2020
AP POLYCET
Chemistry
Coordination Compounds
C
2
H
5
OH on oxidation with alkaline KMnO
4
gives the compound A, which on further oxidation gives the compound B. The names of A, B respectively are
AP POLYCET - 2020
AP POLYCET
Chemistry
Coordination Compounds
The IUPAC name of the compound CH
3
---CH
2
--CH=CH
2
is
AP POLYCET - 2020
AP POLYCET
Chemistry
Coordination Compounds
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