Binary stars with the separation
Centauri A and Centauri B are binary stars with the separation of 3.45 x 10^12 m and an orbital period of 2.52 x 10^9s. Supposing the two stars are equally massive, find out their mass.
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A transparent film (having n = 1.6) is deposited on a glass lens (n = 2.8) to build a non-reflective coating. Determine the minimum thickness which would minimize the reflection of light having wavelength 410.0 nm in air?
The central bright fringe within a single slit diffraction pattern from the light of wavelength 513 nm is 2.2 cm wide on a screen which is 1.05 m from the slit. (i) Determine how wide is the slit (in mm)?
Compute separately the relativistic mass correction and the spin-orbit energy shifts for positronium. Please put your energies in eV.
A uniform, 8.50, spherical shell 54.0 in diameter consists of four small 2.10 masses joined to its outer surface and uniformly spaced around it. This combination is spinning around an axis running through the centre of the sphere and two of the sm
A Michelson interferometer is employed to find out the wavelength of the monochromatic light source. When100 fringes are counted as one of the mirrors is scanned a distance of 31.7 micro meters, determine the wavelength of the light?
Batman (having mass = 92 kg) jumps straight down from the bridge into a boat (having mass = 570 kg) in which a criminal is fleeing. The velocity of the boat is at first +13 m/s. Determine the velocity of the boat after Batman lands in it?
A resistor of 30.8 is joined in parallel to a 12.9 resistor. These are connected in series to a 3.6 resistor and a source with the potential difference of 30.0 V. (i) Compute the equivalent resistance.
If suggested adult dosage for the drug is D (in mg), then to find out the suitable dosage c for the child of age a, pharmacists use equation c = 0.0417D(a + 1). Determine slope of the graph of c.
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