List of top Questions asked in TS EAMCET- 2024

A and B are two points of a string, in which a standing wave of wavelength $ \lambda $ is set up. If the distance between the points A and B is $ \frac{3\lambda}{4} $, then the phase difference between A and B is:

The equation of motion of a damped oscillator is given by $ m\frac{d^{2}x}{dt^{2}}+b\frac{dx}{dt}+kx=0 $. The dimensional formula of $ \frac{b}{\sqrt{km}} $ is

Four bodies of masses 8 kg, 2 kg, 4 kg and 2 kg are placed at the four corners A, B, C and D respectively of a square ABCD of diagonal 80 cm. The distance of the center of mass of the system from the corner A is:

An alphabet 'a' made of two similar thin uniform metal plates of each length $ L $ and width $ a $ is placed on a horizontal surface as shown in the figure. If the alphabet is vertically inverted, the shift in the position of its center of mass from the horizontal surface is:

The range of gravitational forces is:

A body is projected from the ground at an angle of $ \tan^{-1}\sqrt{7} $ with the horizontal. At half of the maximum height, the speed of the body is $ n $ times the speed of projection. The value of $ n $ is

A solid sphere and a disc of same mass $M$ and radius $R$ are kept such that their curved surfaces are in contact and their centers lie along the same horizontal line. The moment of inertia of the two body system about an axis passing through their point of contact and perpendicular to the plane of the disc is:

An object of mass $ m $ at a distance of $ 20R $ from the center of a planet of mass $ M $ and radius $ R $ has an initial velocity $ u $. The velocity with which the object hits the surface of the planet is: (G - Universal gravitational constant) \vspace{0.5cm}

A metal block of mass 120 g is heated to a temperature of 100$^\circ$C and placed on a huge block of ice at 0$^\circ$C. The specific heat capacity of the metal is 0.12 cal/$^\circ$C and the latent heat of fusion of ice is 80 cal/g. The mass of the ice melted is:

A black body at a temperature of 125$^\circ$C emits heat at the rate of 32 W. The rate of heat emitted by the body when the temperature of the body is increased by 398 K is:

If the tension applied to a string is decreased by 36\%, then the fundamental frequency of the transverse waves of the string is:

Wave picture of light has failed to explain
(1) photoelectric effect
(2) interference of light
(3) diffraction of light
(4) polarization of light

A source at rest emits sound waves of frequency $ 102 $ Hz. Two observers are moving away from the source of sound in opposite directions each with a speed of $ 10\% $ of the speed of sound. The ratio of the frequencies of sound heard by the observers is?

The frequency of sound heard by a stationary observer is $ f_1 $, when the source of sound is approaching the observer with a speed of 10\% of the speed of sound. If the same source of sound is moving away from the stationary observer with a speed of 20\% of the speed of sound, the frequency of sound heard by the observer is $ f_2 $. Then $ f_1 : f_2 $ is:

If the tension applied to a string is decreased by 36%, then the fundamental frequency of the transverse waves of the string is:

The frequency of sound heard by a stationary observer is $ f_1 $, when the source of sound is approaching the observer with a speed of 10% of the speed of sound. If the same source of sound is moving away from the stationary observer with a speed of 20% of the speed of sound, the frequency of sound heard by the observer is $ f_2 $. Then $ f_1 : f_2 $ is:

The path difference between two particles of a sound wave is $ 50 $ cm and the phase difference between them is $ 1.8\pi $. If the speed of sound in air is $ 340 $ m/s, the frequency of the sound wave is?

A polaroid sheet ‘P’ is placed on another similar polaroid sheet ‘Q’ such that the angle between their axes is $45^\circ$. - The ratio of the intensities of the light emerged from polaroid ‘Q’ and the unpolarised light incident on polaroid ‘P’ is

If the amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is $ 270 $ nT, the amplitude of the electric field part of the wave is:

Two particles of charges in the ratio $ 1:2 $ and masses in the ratio $ 2:3 $ moving along a straight line enter a uniform magnetic field at right angles to the direction of the field. If the radii of the circular paths of the particles in the magnetic field are in the ratio $ 3:4 $, then the ratio of the initial linear momenta of the two particles 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:

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 most exotic diamagnetic materials are: