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…
6 years ago
EAMCET2015
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago