EAMCET2015

In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second

In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second is 4x10²⁰. If the energy released per…

A total charge of 5µC is distributed uniformly on the surface of the thin walled

A total charge of 5µC is distributed uniformly on the surface of the thin walled semispherical cup. If the electric…

A parallel plate capacitor has 91 plates, all are identical and arranged with same

A parallel plate capacitor has 91 plates, all are identical and arranged with same spacing between them. If the capacitance…

When a light beam of frequency v is incident on a metal surface,

When a light beam of frequency v is incident on a metal surface, photoelectrons are emitted. If these electrons describe…

The range of voltmeter is 10V and its internal resistance is 50Ω.

The range of voltmeter is 10V and its internal resistance is 50Ω. To convert it to a voltmeter of range…

The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.

The electric current in AC circuit is given by the relation i-3 sinωt+4 cosωt. The rms value of the current…

A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT

A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT with its plane perpendicular to…

A Gaussian surface in the cylinder of cross-section πa² and length L is immersed

A Gaussian surface in the cylinder of cross-section πa² and length L is immersed in a uniform electric field E…

A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire

A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire. A standard cell of…

A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.

A plane wave of wavelength 6250Å is incident normally on a slit of width 2x10⁻² cm. The width of the…