List of top Physics Questions asked in AP EAMCET

A body of mass 1.5 kg is moving towards south with a uniform velocity of 8ms−1 8 { ms}^{-1} . A force of 6 6 N is applied to the body towards east. The displacement of the body 3 seconds after the application of the force is:
The horizontal range of a projectile projected at an angle of 45∘ 45^\circ with the horizontal is 50 m. The height of the projectile when its horizontal displacement is 20 m is:
The centripetal acceleration of a particle in uniform circular motion is 18 ms−2 18 \, {ms}^{-2} . If the radius of the circular path is 50 50 cm, the change in velocity of the particle in a time of T18 \frac{T}{18} is:
An object is projected upwards from the foot of a tower. The object crosses the top of the tower twice with an interval of 8 s and the object reaches the foot after 16 s. The height of the tower is (Given g=10 m/s2 g = 10 \, m/s^2 )
The time period of revolution of a satellite (T T ) around the earth depends on the radius of the circular orbit (R R ), mass of the earth (M M ) and universal gravitational constant (G G ). The expression for T T , using dimensional analysis, is (where K K is a constant of proportionality):
The maximum distance between the transmitting and receiving antennas for satisfactory communication in line of sight mode is 57.6 km. If the height of the receiving antenna is 80 m, the height of the transmitting antenna is (Radius of Earth = 6.4×106 6.4 \times 10^6 m):
Four logic gates are connected as shown in the figure. If the inputs are A=0,B=1,C=1 A = 0, B = 1, C = 1 , then the values of y1 y_1 and y2 y_2 respectively are:
Four logic gates are connected
The half-life period of a radioactive element A is 62 years. It decays into another stable element B. An archaeologist found a sample in which A and B are in 1 : 15 ratio. The age of the sample is:
The current gain of a transistor in a common emitter configuration is 80. The resistances in collector and base sides of the circuit are 5 kω\omega and 1 kω\omega respectively. If the input voltage is 2 mV, the output voltage is:
One bar magnet is in simple harmonic motion with time period T T in an earth’s magnetic field. If its mass is increased by 9 times, the time period becomes:
The surface of a metal is first illuminated with a light of wavelength 300 nm and later illuminated by another light of wavelength 500 nm. It is observed that the ratio of maximum velocities of photoelectrons in two cases is 3. The work function of the metal value is close to:
A 50 Hz AC circuit has a 10 mH inductor and a 2 ω\omega resistor in series. The value of capacitance to be placed in series in the circuit to make the circuit power factor unity is:
The ratio of the minimum wavelength of the Balmer series to the maximum wavelength in the Brackett series in the hydrogen spectrum is:
The structure of solids is investigated by using:
A coil of inductance L L is divided into 6 equal parts. All these parts are connected in parallel. The resultant inductance of this combination is:
Three rings, each with equal radius r r , are placed mutually perpendicular to each other and each having centre at the origin of the coordinate system. If I I is the current passing through each ring, the magnetic field value at the common centre is:
Three rings, each with equal radius
Two toroids with number of turns 400 and 200 have average radii respectively 30 cm and 60 cm. If they carry the same current, the ratio of magnetic fields in these two toroids is:
Eight capacitors each of capacity 2 2 µF are arranged as shown in the figure. The effective capacitance between A and B is:
Eight capacitors each of capacity
Two identical cells gave the same current through an external resistance of 2 2 ω\omega regardless of whether the cells are grouped in series or parallel. The internal resistance of the cells is:
If E1=4V E_1 = 4V and E2=12V E_2 = 12V , the current in the circuit and potential difference between the points P and Q respectively are:
the current in the circuit and potential difference
If a slit of width x x was illuminated by red light having wavelength 6500 6500 Å, the first minima was obtained at θ=30∘ \theta = 30^\circ . Then the value of x x is:
A person can see objects clearly when they lie between 40 cm and 400 cm from his eye. In order to increase the maximum distance of distant vision to infinity, the type of lens and power of correction lens required respectively are:
The vibrations of four air columns are shown below. The ratio of frequencies is:
The vibrations of four air columns
If four charges q1=+1×10−8C q_1 = +1 \times 10^{-8} C , q2=−2×10−8C q_2 = -2 \times 10^{-8} C , q3=+3×10−8C q_3 = +3 \times 10^{-8} C , and q4=+2×10−8C q_4 = +2 \times 10^{-8} C are kept at the four corners of a square of side 1 m, then the electric potential at the centre of the square is:
A neutral ammonia (NH3_3) molecule in its vapour state has an electric dipole moment of magnitude 5×10−30 5 \times 10^{-30} C·m. How far apart are the molecule's centers of positive and negative charge?