Physics 30 Diploma case studies
Physics 30 Diploma · Put your knowledge to work in context.
The Physics 30 Diploma is one of the Grade 12 Diploma Examinations administered through Alberta's K to 12 provincial assessment system, under the Ministry of Education and Childcare. According to Alberta.ca, the Grade 12 Diploma Examinations Program exists for three stated purposes: to certify the level of individual student achievement in selected Grade 12 courses, to ensure that provincewide standards of achievement are maintained, and to report individual and group results. The Physics 30 Diploma case studies are 5 cases and about 2,259 words.
1Photoelectric Effect with an Unknown Metal
A student shines monochromatic light on a metal cathode in a vacuum tube and measures the stopping voltage needed to reduce the photocurrent to zero. With light of wavelength 400 nm the stopping voltage is 0.90 V.
411 words, about 2 min2Charged Sphere Between Deflecting Plates
A tiny oil droplet carrying a net charge of −3.2 x 10^-19 C is sprayed into the region between two horizontal parallel plates separated by 8.0 mm. The droplet enters with a horizontal speed of 2.5 m/s and is observed to travel in a straight, horizontal line when the potential difference across the plates is 1.2 kV.
429 words, about 2 min3Collision in a Magnetic Field
In a bubble-chamber photograph description, a proton moving at 4.0 x 10^6 m/s enters a region of uniform magnetic field of 0.50 T directed into the page and travels along a circular arc of radius 8.4 cm. It then strikes a stationary particle, and the two particles merge into a single track that curves with a radius of 5.6 cm in the same direction.
491 words, about 2 min4Half-Life and Activity in a Sealed Sample
A sealed vial contains a radioactive isotope used in a school lab. A detector measures an initial count rate of 4800 counts per minute above background.
485 words, about 2 min5Interference Pattern from a Diffraction Grating
A student uses a diffraction grating with 600 lines per millimetre and a red laser of wavelength 632.8 nm. The screen is 1.50 m from the grating.
443 words, about 2 min