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Chandrasekhar limit (S. Chandrasekhar; 1930)
This is a limit that mandates that no white dwarf (a collapsed, degenerate star) may be more massive than approximates 1.4 masses solar. Any degenerate mass more massive has to collapse inevitably into a neutron star.
When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 10 5 m/s. What is the work function, in eV, of th
Explain power of a lens. What is the principle of an optical fibre? What is a thin prism? Describe angular dispersion between two colours for a prism.
What is Equipotential Surface Equipotential Surface - surface of constant potential. No work is required in moving charges with such a surface. Electric fields are perpend
An object falls from a high tower and lands on a high hill with an alpha angle. Then he jumps while going down the hill. How long is the distance between when the ball landed and t
Zeroth law of thermodynamics If two bodies are each in thermal equilibrium along a third body, then all of the three bodies are in thermal equilibrium along with each other.
Q. What is electrostatic shielding? i) It is the method of isolating a certain region of space from external field. ii) It is basis on the fact that electric field inside a
How many pounds does one gallon of water weigh One wine calculates or US gallon of water weighs 8.34 pounds. An Imperial Gallon is ten pounds of water at 62F and 30 inches of
Determine the axial force in the link AB of the lifting tongs which cross without touching. The weight of the crate is P44 kN and the width of the box is P45 mm The axial for
different combination of pipe material, insulation material and it size.
Methods of Demagnetization: 1. A magnet loss it's magnetic properly when it is heated strongly. 2. Practically a magnet can be demagnetized by hammering when it is placed in
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