physics class 12


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12.
The half-life of 92 U 238 against alpha decay is 4.5 x 109 years. How many disintegrations per second occur in 1 g of 92 U 238 ? Suggested solution: Again, since one k mole of any isotope contains Avogadro's number of atoms, there fore 1 g of 92 U 238 contains Half life T = 4..
12.
Calculate the dispersive power for crown and flint glass from the following data: C D F Crown 1.5145 1.5170 1.5230 Flint 1.6444 1.6520 1.66..
Numerical 12
An electron is projected with a speed of 10 5 ms - 1 at right angles to a magnetic field of 0.019 G. Calculate the radius of the circle described by the electro..
Atoms and Nuclei Problems - Numerical 12
12. - The half-life of 92 U 238 against alpha decay is 4.5 x 109 years. How many disintegrations per second occur in 1 g of 92 U 238 ? Suggested solution: Again, since one k mole of any isotope contains Avogadro's number of atoms, there fore 1 g of 92 U 238 contains Half life T = 4.5 10 9..
Grade 12 Physics Program
- This is a representative list of topics covered in our Grade 12 Physics program - however all programs will be customized for the individual studen..
Moving Charges and Magnetism Problems - Numerical 12
12. - An electron is projected with a speed of 10 5 ms - 1 at right angles to a magnetic field of 0.019 G. Calculate the radius of the circle described by the electro..
Suggested solution:
Intensity is proportional to the width of the slit. So, amplitude is proportional to the square root of the width of the slit. Here represent the widths of the two slits. ..
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