A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver. If a current of…
7 years ago
CG2015
The wavelength of kα, X-rays produced by an X-ray tube 0.76Å. The atomic number
The wavelength of kα, X-rays produced by an X-ray tube 0.76Å. The atomic number of the anode material of the…
7 years ago
Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual
Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual telescope, whose objective has diameter 100…
7 years ago
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy (V₀) is stored in the system.…
7 years ago
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations of 1.5x10⁺¹⁶ m⁻³. Dopping by indium, nh…
7 years ago
A charge Q is uniformly distributed over a large plastic plate. The electric field
A charge Q is uniformly distributed over a large plastic plate. The electric field at point P close to centre…
7 years ago