List of top Questions asked in AP EAPCET

In a transistor, when the emitter current changes by 9.85 mA, the collector current changes to 9.5 mA. Then the base current is
Band width of an optical fiber is
Which of the following electron arrangement does not obey Hund’s rule?
At 300 K, one mole of a gas present in a 10 L flask exerted a pressure of 2.706 atm. What is its compressibility factor (Z)?
At T (K), equal weights of H$_2$, D$_2$, and T$_2$ are present in closed vessel. The pressure exerted by this gaseous mixture is P atm. The ratio of partial pressures of T$_2$, D$_2$ and H$_2$ is approximately (H, D and T are isotopes of hydrogen).
The correct order of melting points of Al, Ga, In is:
Match the following
reaction H2C = CH2 with Hg2+ 2 ,H2O
The most effective coagulating agent for antimony sulphide sol is:

Identify the correctly matched pairs.
  1. \(\mathrm{TiO_2}\) – Pigment industry
  2. \(\mathrm{MnO_2}\) – Dry battery cells
  3. \(\mathrm{Cu/Ni}\) alloy – UK 'copper' coins
In which of the following pairs the polymer is correctly matched with the forces possessed by them?
A. Neoprene —- Weak intermolecular forces
B. Terylene —- Hydrogen bonding
C. Polystyrene —- Very weak intermolecular forces
D. Polythelene —- Hydrogen bonding
Hypothyroidism is due to
A. High level of iodine in the diet
B. Enlargement of thyroid gland
C. Low levels of iodine in the diet
D. Increased levels of thyroxine
Ortho-sulphobenzimide is used as:
Two statements are given below
Statement I: Chlorobenzene on nitration gives 1-chloro-4-nitrobenzene as major product
Statement II: Chlorobenzene undergoes nitration slowly than benzene
Identify the correct answer
In SN2 reaction, the carbon in the transition state is:
Identify X, Y and Z in the following reactions sequence:
X, Y and Z in the following reactions sequence
Which of the following produces nitrogen gas after the reaction with nitrous acid?
Energy currency of the ll is called __.
If $\vec{a} = 2\hat{i} - \hat{j} + 3\hat{k}$, $\vec{b} = -3\hat{i} + 5\hat{j} - 4\hat{k}$, $\vec{c} = 6\hat{i} - 4\hat{j} + 5\hat{k}$, then $(\vec{a} \times \vec{b}) \cdot (\vec{b} \times \vec{c}) = $
Which one of the following is false?
Given independent events A, B, and C with rtain intersection probabilities, find $P(A)$, $P(B)$, and $P(C)$.
Probability that missing card is not a spade, given two drawn cards are spades?
If A speaks truth with probability $\frac{4}{5}$ and B with $\frac{3}{4}$, find probability they contradict.
In triangle $\triangle ABC$, $A=(1,2)$ and the equations of medians through $B$ and $C$ are $x+y=5$ and $x=4$. Find area of triangle ABC.
The equation of the line, passing through the point $(a\cos^3\theta, a\sin^3\theta)$ and perpendicular to the line $x\sec\theta - y\csc\theta = a$, is