List of top Physics Questions asked in TS EAMCET

The velocities of air above and below the surfaces of a flying aeroplane wing are 50 m/s and 40 m/s respectively. If the area of the wing is 10 m² and the mass of the aeroplane is 500 kg, then as time passes by (density of air = 1.3 kg/m³), the aeroplane will:

A pendulum clock loses 10.8 seconds a day when the temperature is $38^\circ C$ and gains 10.8 seconds a day when the temperature is $18^\circ C$ . The coefficient of linear expansion of the metal of the pendulum clock is:

A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:

For a gas in a thermodynamic process, the relation between internal energy (U), the pressure (P), and the volume (V) is given by: $U = 3 + 1.5PV$ The ratio of the specific heat capacities of the gas at constant volume and constant pressure is:

At a pressure $P$ and temperature $127^\circ C$ , a vessel contains 21 g of a gas. A small hole is made into the vessel so that the gas leaks out. At a pressure of $\frac{2P}{3}$ and a temperature of $t^\circ C$ , the mass of the gas leaked out is 5 g. Then $t$ is:

The tension applied to a metal wire of one metre length produces an elastic strain of 1%. The density of the metal is $8000 \, kg/m^3$ and Young's modulus of the metal is $2 \times 10^{11} \, Nm^{-2}$ . The fundamental frequency of the transverse waves in the metal wire is:

Two closed pipes when sounded simultaneously in their fundamental modes produce 6 beats per second. If the length of the shorter pipe is 150 cm, then the length of the longer pipe is: $\text{(Speed of sound in air = 336 ms}^{-1})$

An object placed at a distance of 24 cm from a concave mirror forms an image at a distance of 12 cm from the mirror. If the object is moved with a speed of 12 ms$^{-1$, then the speed of the image is:} \vspace{0.5cm}

The electric flux due to an electric field $\vec{E} = (8\hat{i} + 13\hat{j}) \text{ NC}^{-1}$ through an area 3 m $^2$ lying in the XZ plane is:

When a monochromatic light is incident on a surface separating two media, both the reflected and refracted lights have the same:

A voltmeter of resistance $400 \, \Omega$ is used to measure the emf of a cell with an internal resistance of $4 \, \Omega$ . The error in the measurement of emf of the cell is:

A capacitor and a resistor are connected in series to an ac source. If the ratio of the capacitive reactance of the capacitor and the resistance of the resistor is 4:3, then the power factor of the circuit is:

A capacitor of capacitance ‘C’ is charged to a potential ‘V’ and disconnected from the battery. Now if the space between the plates is completely filled with a substance of dielectric constant ‘K’, the final charge and the final potential on the capacitor are respectively:

When two wires are connected in the two gaps of a meter bridge, the balancing length is 50 cm. When the wire in the right gap is stretched to double its length and again connected in the same gap, then the new balancing length from the left end of the bridge wire is:

A magnetic field is applied in y-direction on an $\alpha$ -particle traveling along x-direction. The motion of the $\alpha$ -particle will be:

A straight wire carrying a current of $2\sqrt{2} \, \text{A}$ is making an angle of $45^\circ$ with the direction of a uniform magnetic field of $3 \, \text{T}$ . The force per unit length on the wire due to the magnetic field is:

The magnetizing field which produces a magnetic flux of $22 \times 10^{-6} \, \text{Wb}$ in a metal bar of area of cross-section $2 \times 10^{-5} \, m^2$ is (susceptibility of the metal = 699):

The energy stored in a coil of inductance 80 mH carrying a current of 2.5 A is:

For the displacement current through the plates of a parallel plate capacitor of capacitance 30 µF to be 150 µA, the potential difference across the plates of the capacitor has to vary at the rate of:

The work functions of two photosensitive metal surfaces A and B are in the ratio 2:3. If x and y are the slopes of the graphs drawn between the stopping potential and frequency of incident light for the surfaces A and B respectively, then $x : y$ is:

In a hydrogen atom, the frequency of the photon emitted when an electron jumps from the second orbit to the first orbit is 'f'. The frequency of the photon emitted when an electron jumps from the third excited state to the first excited state is:

If the ratio of the radii of nuclei $\mathbf{^{52}X_A}$ and $\mathbf{^{13}Al^{27}}$ is 5:3, then the number of neutrons in the nucleus $X$ is:
Choose the correct answer from the options given below:

Match the devices given in List I with their uses given in List II:

To get output 1 for the following logic circuit, the correct choice of the inputs is:

The maximum distance between the transmitting and receiving antennas is D. If the heights of both transmitting and receiving antennas are doubled. The maximum distance between the two antennas is:
Choose the correct answer from the options given below: