List of top Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

A convex lens gives a virtual image when the object is placed on the principal axis
The symbol ↕ used to draw the ray diagrams indicates
If A and B are the speed of light in a medium and refractive index of that medium respectively, then
A lens bounded by two spherical surfaces curved inwards is
A rectangular tank of depth 2 m is full of water of refractive index \(\frac{4}{3 }\) When viewed from the top, the bottom of the tank is seen at a depth of 
The refractive index of glass with respect to air is 2. The critical angle at their interface is
The device used to measure the specific heat of a substance is
Formation of dew on the surface of a cold soft drink bottle kept in air is due to
The physical quantity which has no units, is
The heat energy supplied to a system during melting is known as
If i and r are the angles of incidence and refraction respectively, then i <r means the light ray travels from
Pick the correct match :
AWaterI483
BGlassII4180
CIronIII504
If the mean of the following data is k(> 0), then the value of k is
MarksK4K83
FrequencyK2K3K4K5K
If the mode of the data 2, 4, 6, 7, 5, 6, 10, 6, 7, 2k + 1, 9, 7, 13 is 7, then the value of k is
Which of the following cannot be determined graphically?
The mean of 12 numbers is 19. If 4 is subtracted from each number, then the new mean is
If a data has 25 observations (arranged in ascending order), then which of the following observations represents the median?
If the ratio of the length of a pole and its shadow is \(1:\sqrt3\), then the angle of elevation of the sun is 
If two towers of heights h1 and h2 subtend angles of 45° and 30° respectively at the midpoint of the line joining their feet, then the ratio of h1: h2 is
\(\frac{sinθ}{1+cos θ}=\)
Which of the following cannot be the probability of an event?
Two dice are thrown together. The probability of getting the same number on both dice is
If a card is selected at random from a deck of 52 cards, then the probability of getting a red face card is
A box contains 3 blue, 2 white and 4 red balls. If a ball is drawn at random from the box, what is the probability that it will not be a white ball?
The value of tan 2°. tan 4°. tan 6°... tan 88° is