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What is radium used for?
Radium was formerly used in self-luminous paints for nuclear panels, watches, aircraft switches, clocks, and instrument dials. More than 100 former watch dial painters who used their lips to shape the paintbrush died from the radiation from the radium that had become kept in their bones. Soon afterward, the adverse effects of radioactivity became widely known. Radium was still used in dials as late as the 1950s. Although tritium's beta radiation is potentially dangerous if ingested, it has changed radium in these applications.
The force is in Newton The buoyant (upward) force exerted by water on a submerged object is given by the formula F= ?Vg, where ? is the density of water (1.0 x 10 3 kg/m 3 ),
Physics assignment electron microscopy component, solve problem. can u solve these two problems with detailing and referencing if it needed
Balmer series (J. Balmer; 1885) An equation that describes the emission spectrum of hydrogen while an electron is jumping to the second orbital; four of the lines are into the
It is the demagnetising force which is necessary to neutralize completely the magnetism in the magnetism material after the external magnetic field is reduced to zero.
derive an expression for the total cross section for the scattering of light by a polorisable molecule in term of the incedent wave length.
NEWTON'S FIRST LAW OF MOTION: This law states that "A body at rest will remain at rest and a body moving with uniform velocity will carry on doing so, until acted on by some un
An atom is said to be polarized if it possesses and effective dipole moment, that is, if there is a separation between the centres of negative and positive charge distribution. It
Que: Specified the electric potential as a function of the Cartesian coordinates x, y, and z how does one determine the electric field? Ans: If the electric potential i
A 12V battery is connected in a circuit having three series-connected resistors having resistances of 4 Ω,9 Ω and 11 Ω. Verify the current flowing through and the p.d. acr
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