List of top Physics Questions asked in TS EAMCET

A p-n junction in reverse bias:

A man of mass \(60 \text{ kg}\) is standing in a lift moving up with a retardation of \(2.8 \text{ ms}^{-2}\). The apparent weight of the man is

A transformer: secondary turns = 2 $\times$ primary, input voltage = 220V. Output voltage is:

The rms speed of gas molecules is given by:

Lenz's law is a consequence of conservation of:

Energy band gap of an insulator is approximately:

Which hydrogen atom transition emits light in the Balmer series (visible)?

The SI unit of magnetic flux density (B) is:

Ohm's law is valid when:

The SI unit of self-inductance is:

Angle of minimum deviation for a prism --- the ray inside the prism:

In Young's double slit --- if slit separation is halved and screen distance doubled, fringe width becomes:

The unit of coefficient of viscosity is:

The escape velocity from the Earth's surface is approximately:

Dimensions of Universal Gravitational Constant (G) are:

A truck of mass 8 ton is carrying a block of mass 2 ton. If a breaking force of 25 kN is applied on the truck, then the frictional force acting on the block is (Coefficient of static friction between the block and the truck is 0.3)

Two vectors are given by $\vec{A} = \hat{i} - 2\hat{j} + 3\hat{k}$ and $\vec{B} = 2\hat{i} - 4\hat{j} + 3\hat{k}$. The unit vector along $\vec{A} + \vec{B}$ is

The electrostatic force between two charges kept in air is F. If 30% of the space between the charges is filled with a medium, then the electrostatic force between the charges becomes $\frac{F}{2.56}$. The dielectric constant of the medium is

Which of the following statements is not correct regarding significant figures?

If A, B and C are three different physical quantities with different dimensional formulae, then the combination which can never give a proper physical quantity is

If the frequencies of the carrier wave and message signal are $1$ MHz and $28$ kHz respectively, then the frequencies of the side bands are

The negative feedback in an amplifier

The current amplification factor of a transistor in common emitter configuration is 80. If the emitter current is 2.43 mA, then the base current is

During the disintegration of a radioactive nucleus of mass number 208 at rest, two alpha particles each with kinetic energy E are emitted. The total kinetic energy of the emitted alpha particles and the daughter nucleus after the disintegration is

When an element $_{90}^{232}\text{Th}$ decays into $_{82}^{208}\text{Pb}$, the number of $\alpha$ and $\beta^{-}$ particles emitted respectively are