List of top Questions asked in VITEEE- 2017

Which of the following are not electromagnetic waves?

An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor of capacitance 2 μF. The impedance of the circuit is

The combination of gates shown below yields

A hollow insulated conduction sphere is given a positive charge of 10 μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?

Two mercury drops (each of radius \( r \)) merge to form a bigger drop. The surface energy of the bigger drop is, if \( T \) is the surface tension, is

Resistances 1 \( \Omega \), 2 \( \Omega \), and 3 \( \Omega \) are connected to form a triangle. If a 1.5 V cell of negligible internal resistance is connected across the 3 \( \Omega \) resistor, the current flowing through this resistor will be

A current carrying coil is subjected to a uniform magnetic field. The coil will orient so that its plane becomes

The value of \( \tan(90^\circ - \theta) \) in the graph gives

A conducting circular loop of radius \( r \) carries a constant current \( i \). It is placed in a uniform magnetic field \( \vec{B} \) such that \( \vec{B} \) is perpendicular to the plane of the loop. The magnetic force acting on the loop is

A vessel of depth 2d cm is half-filled with a liquid of refractive index \( \mu_1 \) and the upper half with a liquid of refractive index \( \mu_2 \). The apparent depth of the vessel seen perpendicularly is

A smooth sphere of mass \( M \) moving with velocity \( u \) directly collides elastically with another sphere of mass \( m \) at rest. After collision, their final velocities are \( V \) and \( v \) respectively. The value of \( v \) is

Two capacitors \( C_1 \) and \( C_2 \) in a circuit are joined as shown in the figure. The potentials of points A and B are \( V_1 \) and \( V_2 \), respectively. Then the potential of point D will be

Light of wavelength 500 nm is incident on a metal with work function \( 2.28 \, \text{eV} \). The de Broglie wavelength of the emitted electron is:

Kerosene oil rises up in a wick of a lantern because of

The current in a coil of \( L = 40 \, \text{mH} \) is to be increased uniformly from 1 A to 11 A in 4 milli sec. The induced e.m.f. will be

If the kinetic energy of a moving particle is \( E \), then the de-Broglie wavelength is

Two bodies A and B having masses in the ratio of 3 : 1 possess the same kinetic energy. The ratio of linear momentum of B to A is

In which sequence the radioactive radiations are emitted in the following nuclear reaction? \[ Z^{X}A \rightarrow Z+1Y^{A} \rightarrow Z-1K^{A-4} \]

Which of the following does not support the wave nature of light?

Six identical conducting rods are joined as shown in the figure. Points A and D are maintained at 200\(^\circ C\) and 20\(^\circ C\) respectively. The temperature of junction B will be

A hydrogen atom is in ground state. Then to get six lines in emission spectrum, wavelength of incident radiation should be

A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 m/s. To give an initial upward acceleration of 20 m/s\(^2\), the amount of gas ejected per second to supply the needed thrust will be (Take \(g = 10 \, \text{m/s}^2\))

The power dissipated in the circuit shown in the figure is 30 Watts. The value of \( R \) is

The emf of a particular voltaic cell with the cell reaction $Hg_{2}^{2+}+H_{2} {\rightleftharpoons} 2Hg+2H^{+}$ is 0.65 V. The maximum electrical work of this cell when 0.5 g of $H_{2}$ is consumed.

What is X?