List of top Physics Questions asked in VITEEE

An object is placed 15 cm in front of a concave mirror of focal length 10 cm. Find the position and nature of the image.

What happens to the magnetic field at the center of a circular coil if the number of turns is doubled while keeping the current constant?

In a common emitter transistor, \( \beta = 100 \), \( R_c = 2\,\text{k}\Omega \), and the output voltage is \(2\,\text{V}\). If \( R_b = 1\,\text{k}\Omega \), find the input voltage.

If the current in a coil changes from \(2\,\text{A}\) to \(4\,\text{A}\) in \(0.1\,\text{s}\), inducing an EMF of \(20\,\text{V}\), find the self-inductance.

Two point charges \(q_1\) and \(q_2\) are \(r\) cm apart in a vacuum with force \(F\). What is the force if they are placed in a medium with dielectric constant \(K = 5\) at distance \(r/5\)?

In a common emitter transistor amplifier, the audio signal voltage across the collector resistance of \(2\,k\Omega\) is \(2V\). If the current amplification factor (\(\beta\)) is \(100\) and the base resistance is \(1\,k\Omega\), find the input signal voltage.

A circular coil of radius \(R\) carries a current \(I\). The magnetic field at its centre is \(B\). At what distance from the centre on the axis of the coil will the magnetic field be \(B/8\)?

In an LCR series circuit, the resonance frequency is \( f \). If the capacitance is made 4 times, what will be the new resonance frequency?

A coil has a self-inductance of \(2H\); find the induced EMF if the current changes from \(5A\) to \(2A\) in \(0.1\) seconds.

Find the electric flux through one face of a cube if a charge \(q\) is placed at its center.

If the current in a coil changes from \(2A\) to \(4A\) in \(0.1\,s\), inducing an EMF of \(20V\), find the self-inductance.

A proton \((q = 1.6 \times 10^{-19}\,C)\) enters a magnetic field of \(2\,T\) with a velocity of \(3 \times 10^6\,\text{m/s}\) perpendicular to the field. Find the magnetic force acting on the proton.

If the speed of light in a medium is \(2 \times 10^8 \, \text{m/s}\), what is the refractive index of the medium?

Calculate the equivalent resistance between two diametrically opposite points of a circular wire of total resistance \(12\,\Omega\).

A stone is dropped from a height of \(45\,\text{m}\). What is the time taken to reach the ground? \((g = 10\,\text{m/s}^2)\)

A current of \(2\,\text{A}\) flows through a resistor for \(10\) minutes. What is the total charge that passes through the resistor?

In a Young's Double Slit Experiment, if the distance between the slits is halved and the distance to the screen is doubled, what happens to the fringe width?

A capacitor of \(10\,\mu F\) is charged to \(100V\). Find the energy stored in it.

A wire of resistance \(R\) is stretched to double its original length. What is its new resistance?

A capacitor of \(10\,\mu F\) is charged to \(50\,V\). Calculate the energy stored in the capacitor.

A charged particle moves in a magnetic field \(B\) with velocity components both along and perpendicular to \(B\). What is its path?

A body of mass \(10\,\text{kg}\) is moving with a velocity of \(20\,\text{m/s}\). What is the kinetic energy?

A ball is dropped from a height of \(20\,\text{m}\). What is its velocity just before hitting the ground?