List of top Questions asked in TS POLYCET- 2021

Dentist uses this mirror to examine teeth of patients.
In the modern periodic table group 2 (IIA) elements are called as
How many s-block and p-block elements are there in the second period of the modern periodic table ?
Which of the following has highest mass ?
When a copper wire is connected to a battery the electric field in the wire is
In the figure \(∠BAO 30°, ∠BCO=40°\) then \(∠AOC = ?\)
∠AOC = ?
A convex lens form image of an object at infinity. Object is at
Focal length of plano-convex lens of refractive index n and radius of curvature R is
When the equation,\(\text{Na} + \text{H}_2\text{O} \rightarrow \text{NaOH} + \text{H}_2\) is balanced,what is the coefficient for 'Na' ?
Which one of the following is not a product in the electrolysis of aqueous NaCl ?
The valency of Calcium is
Least distance of distinct vision is_____
Which of the following atomic numbers of elements have similar chemical properties?
The alloy made of Cu, Mn, Ni is
Focal length of a lens is 25 cm. Its power is___
When how much current flows in the fuse, it melts ?
Atomic number of an element is 17 then the period to which this element belongs
The chemical reaction in which heat is absorbed is called
Conductivity =
\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)
The ratio of volumes of two cones is 4:5 and the ratio of the radii of their bases is 2:3 then the ratio of their vertical height is
Which of the following is not an inert gas element ?
P(x)+P("not x") =
If a two digit number is choosen at random then the probability that number choosen is a multiple of 3
The radius of a cone is 7 m and its height is 10 m. Then its slant height is______