List of top Questions asked in AP POLYCET

Valance Bond Theory was proposed by
If the zeroes of the quadratic polynomial \(ax^2+bx+c \  (c≠0)\) are equal, then
Poling process is used to
A light ray bends away from normal when it travels from
If secθ+tanθ=k, then secθ-tanθ=?
The magnetic force acting on a moving charge in a magnetic field is the product of three quantities namely
Identify the correct statement.
Niels Bohr received Nobel Prize in
The angle between paraxial rays and principal axis is
If 25 cm each is the object and image distances due to convex lens, then its focal length is
Irrespective of the position of the object on the principal axis, a concave lens always forms an image of nature
Linus Pauling proposed the concept of
The relationship between current and voltage is established by the scientist
Tooth enamel is made up of
The pair of substances which have the same value of specific heat is
Pick the correct answer from the following two statements :
  1. Ohm's law is applicable to semiconductors.
  2. Ohm's law is applicable to metallic conductors.
The phenomenon of electromagnetic induction involves the process of
VIA group elements are called
By moving top to bottom in group, valency will
Pick the correct answer from the following two statements:
(a) Virtual image can be seen with the eyes.
(b) Virtual image can be captured on the screen.
If one root of the quadratic equation \(a(b-c)x^2+b(c-a)x+c(a-b)=0\) is 1, then the other root is
If two towers of heights h1 and h2 subtend angles of 60º and 30º respectively at the mid-point of line segment joining their feet, then the ratio of their heights h1 : h2 is
If the points \((a,0),(0,b)\) and \((1,1)\) are collinear, then \(\frac{1}{a}+\frac{1}{b} =\)
If the sum and product of the roots of the quadratic equation \(kx^2+6x+4k=0\) are equal, then the value of k is
If the LCM of 12 and 42 is 10m + 4, then the value of m is