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TS POLYCET 2023
List of top Questions asked in TS POLYCET- 2023
The total number of inner transition elements in the modern periodic table is
TS POLYCET - 2023
TS POLYCET
Chemistry
Modern Periodic Law And The Present Form Of The Periodic Table
A circle with centre 'O', 'P' is a point outside the circle and PA and PB are two tangents to the circle at the point of contacts 'A' and 'B' from 'P'. If the length of PA 10 cm, then the length of PB =
TS POLYCET - 2023
TS POLYCET
Mathematics
Circles
What are the inter connected food chains called ?
TS POLYCET - 2023
TS POLYCET
Biology
The food chain
Distance between the points (4,-8), (5,-2) is
TS POLYCET - 2023
TS POLYCET
Mathematics
Collinearity of points
What is the focal length of double concave lens kept in air with two spherical surfaces radii R
1
= 20 cm and R
2
= 40 cm. Take refractive index of lens n =
\(\frac{5}{3}\)
TS POLYCET - 2023
TS POLYCET
Physics
Refraction of Light
In the figure, if AP and AQ are the two tangents to a circle with centre 'O' so that
\(∠OQP=15°\)
, then
\(∠QAP=\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Tangent to a Circle
If A= {P,O,L,Y,T,E,C,H,N, I} and B = {E, X, A, M}, then
\(A∩B =\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Operations on Sets
If the refracted rays from a convex lens are travelling parallel to the principal axis, then image distance is
TS POLYCET - 2023
TS POLYCET
Physics
Refraction of Light
Unit of Magnetic flux is
TS POLYCET - 2023
TS POLYCET
Physics
Magnetic Flux
Which of the following quantum numbers describes the spatial orientation of orbitals?
TS POLYCET - 2023
TS POLYCET
Chemistry
Planck’s quantum theory
How many molecules of hydrogen are present in 10 g of hydrogen ?
TS POLYCET - 2023
TS POLYCET
Chemistry
Hydrogen
"Pairing of electrons in orbitals starts only when the available degenerate orbitals are singly filled" is stated by
TS POLYCET - 2023
TS POLYCET
Chemistry
Planck’s quantum theory
If the roots of the quadratic equation
\(px^2+qx+r=0\)
, are equal, then
\(q^2 =\)
TS POLYCET - 2023
TS POLYCET
Mathematics
Quadratic Equations
When white light is incident on a glass prism, the least deviated colour is
TS POLYCET - 2023
TS POLYCET
Physics
Wave Optics
Which one of the following pair belongs to same homologous series?
TS POLYCET - 2023
TS POLYCET
Chemistry
Classification of Hydrocarbons
General formula of alkynes
TS POLYCET - 2023
TS POLYCET
Chemistry
Alkynes
Which of the following converts mechanical energy into electrical energy?
TS POLYCET - 2023
TS POLYCET
Physics
Electrical Energy, Power
What is the molar ratio of hydrogen and oxygen in the formation of water ?
TS POLYCET - 2023
TS POLYCET
Chemistry
Hydrogen
According to Ohm's law relation between potential difference (V) and current (I) is
TS POLYCET - 2023
TS POLYCET
Physics
Ohm’s Law
If area of cross section of a wire increases, while temperature and length are constant, then resistance of the wire
TS POLYCET - 2023
TS POLYCET
Physics
Resistance
The sum of roots of the quadratic equation
\(3x^2-6x+1=0\)
is
TS POLYCET - 2023
TS POLYCET
Mathematics
Quadratic Equations
Which parts of the eye controls the intensity of light, while entering into the eye?
TS POLYCET - 2023
TS POLYCET
Physics
The Human Eye
Least distance of distinct vision is____
TS POLYCET - 2023
TS POLYCET
Physics
The Human Eye
Identify the correct ascending order of energies of forbitals.
TS POLYCET - 2023
TS POLYCET
Chemistry
atomic spectra
Which of the following eye defect is age related ?
TS POLYCET - 2023
TS POLYCET
Physics
The Human Eye
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