List of top Questions asked in TS EAMCET

In which if the following changes there is no change in hybridization of the central atom?

The Wheatstone bridge shown in the diagram is balanced. If P3 is the power dissipated by R3 and P1 is the power dissipated by R1, then the ratio P3/P1 is: 

A ball falls freely from a height h on a rigid horizontal plane. If the coefficient of resolution is e, then the total distance travelled by the ball before hitting the plane second time is: 

The common name of benzene -1, 3- diol is

A straight line parallel to the line y = √3 x passes through Q(2,3) and cuts the line 2x + 4y - 27 = 0 at P. Then the length of the line segment PQ is

On differentiation if we get f (x,y)dy - g(x,y)dx = 0 from 2x2-3xy+y2+x+2y-8 = 0 then g(2,2)/f(1,1) =

If the angle between the pair of tangents drawn to the circle x2 + y2 - 2x + 4y + 3 = 0 from the point (6, -5) is

If a man of mass 50 kg is in a lift moving down with a acceleration equal to acceleration due to gravity, then the apparent weight of the man is: 

The hybrids of which group elements of the periodic table form electron precise hybrids?

XeF4 + O2F2 → X + O2 
X + H2O → Y +2HF 
The shape of the molecules of X and Y respectively are: 

The ore which is purified by leaching process is: 

Which of the following can form iconic micelles in water?

For the reaction at 25° C, X2O4 (l) → 2XO2(g), U and S are 2.1 K.Cal and 20 Cal/K respectively. what is G for the reaction at the same temperature? (R = 2 CAL K-1MOL-1)

According to MO theory, the molecule which contain only π-Bonds between the atoms is

A source and an observer move away from each other with same velocity of 10 m-1 with respect to the ground. If the observer finds the frequency of sound coming from the source as 1980 Hz, then the actual frequency of the source is (speed of sound in air = 340 ms-1)

A man weighing 75 kg is standing in a lift. The weight of the man standing on a weighing machine kept in the lift when the lift is moving downwards freely under gravity is: 

A, B and C are three biomolecules. The results of the tests performed on them are given below :
Molisch's lest Barfoed Test Biuret Test
A Positive Negative Negativde
B Positive Positive Negative
C Negative Negative Positive
A, B and C are respectively :
The nature of a graph drawn for a freely falling body with time on the $x$ - axis and speed on the $y$ - axis is (Assuming initial speed to be zero.)
A $4 \,kg$ object has a velocity, $3.0\, \hat{ i }\, m / s$ at some instant. Eights seconds later, its velocity is $(8.0 \,\hat{ i }+10.0\, \hat{ j }) \,m / s$. Assuming that the object is subjected to a constant net force, the magnitude of the force is
A block of mass $10 \,kg$, initially at rest, makes a downward motion on $45^{\circ}$ inclined plane. Then the distance travelled by the block after $2 s$ is (Assume the coefficient of kinetic friction to be $0.3$ and $g=10\, ms ^{-2} )$
A quantity $z$, to be estimated has a dependency on the variables $a, b$ and $c$ as $z=a b^{2} c^{-2}$. The percentage of error in the measurement of $a, b$ and $c$ are respectively, $2.1 \%, 1.3 \%$ and $2.2 \%$. The percentage of error in the measurement of $z$ would then be
Conservative forces are defined as the force for which,
A solid sphere of mass $5\, kg$ rolls on a plane surfaces. Find its kinetic energy at an instant when its centre moves with speed $4 \,m / s$.
A rocket motor consumes $100\, kg$ of fuel per second exhausting it with a speed of $5 \,km / s$. The speed of the rocket when its mass is reduced to $\frac{1^{\text {th }}}{20}$ of its initial mass, is (Assume initial speed to be zero and ignored gravitational and viscous forces.)
A ball moves one-fourth $\left(\frac{1^{\text {th }}}{4}\right)$ of a circle of radius $R$ in time $T$. Let $v_{1}$ and $v_{2}$ be the magnitudes of mean speed and mean velocity vector. The ratio $\frac{v_{1}}{v_{2}}$ will be