Physics structured essay වල ප්රායෝගික පරීක්ෂණ වල දෝෂ, උපකරණ තෝරාගැනීම් සහ පූර්වාරක්ෂක පියවර (precautions) ලියද්දී ලකුණු කැපෙන්නේ ඇයි?
%20by%20%E2%80%9ELisa%20Wischofsky%E2%80%9D%2C%20licensed%20under%20%E2%80%9ECC%20BY%204.0%E2%80%9D%20(https%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby%2F4.0%2F)%3C%2Fdc%3Arights%3E%3C%2Frdf%3ADescription%3E%3C%2Frdf%3ARDF%3E%3C%2Fmetadata%3E%3Cmask%20id%3D%22viewboxMask%22%3E%3Crect%20width%3D%22762%22%20height%3D%22762%22%20rx%3D%220%22%20ry%3D%220%22%20x%3D%220%22%20y%3D%220%22%20fill%3D%22%23fff%22%20%2F%3E%3C%2Fmask%3E%3Cg%20mask%3D%22url(%23viewboxMask)%22%3E%3Crect%20fill%3D%22%23e0f2f1%22%20width%3D%22762%22%20height%3D%22762%22%20x%3D%220%22%20y%3D%220%22%20%2F%3E%3Cpath%20d%3D%22M396%20164.8a224.8%20224.8%200%200%201%20104.8%2042.4c6.2%204.9%2012.5%209.4%2018%2015a225.4%20225.4%200%200%201%2071.8%20149%2058.5%2058.5%200%200%201%2050.9%2042.2%2071%2071%200%200%201-27.6%2076.5c-11%207.7-24.5%2012-38%2011.7-5%200-10-1.6-15-1.8-1.9%202.2-3.3%204.9-4.8%207.3A223.3%20223.3%200%200%201%20389%20609.8c-11%20.7-21.9%202-33%20.7a223.7%20223.7%200%200%201-178.8-342.3A223.4%20223.4%200%200%201%20352%20163.5c14.6-1.4%2029.4-.3%2044%201.3Z%22%20fill%3D%22%23000%22%2F%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M498.8%20213.2A216%20216%200%200%200%20363%20169c-13-.2-26.2%201.6-39%204a218%20218%200%200%200-113.6%20365.5%20218.5%20218.5%200%200%200%20260.4%2040.2c35-18.8%2064.2-47.3%2084.4-81.5l-3-1.6c-2.8-1.4-5.7-3-8-5-2.2-2-.3-5.8%202.7-4.7%201.5.7%203%201.6%204.4%202.4a55%2055%200%200%200%2059.6-3.6%2064.5%2064.5%200%200%200%2025-69.8%2053.1%2053.1%200%200%200-24-31%2052.6%2052.6%200%200%200-47-2.8c-1.6.8-3.4%201.5-5%201.3-2.5-.2-2.8-4.2-.6-5.2%208-4%2016.5-5.6%2025.4-6.4a217%20217%200%200%200-72-146.4c-4.4-4-8.7-8.1-13.9-11.3Zm107.6%20196.2c2-1.2%201.3-5.1-1.4-5-2%200-4.2.8-6.2%201.6l-1.4.4a95.1%2095.1%200%200%200-25.5%2012.4c-2.2%202-2.2%204.4.1%206.2a92%2092%200%200%200%205.2%202.8%2036%2036%200%200%201%2013%209.2c-.2%201.9-2%203.4-3.4%204.5l-.2.2c-3.9%203-8.8%205-13.6%207-2.5%201-4.9%202-7.1%203.1-1.7.8-2.6%202.2-1.6%203.9%201%202%203.2%201.1%205%20.5l.6-.2%205.4-2.3c5.4-2.3%2011-4.5%2015.4-8%202.7-2.1%205.1-5.1%205.4-8.7-.5-3.4-2.7-5.7-5.3-7.8a83%2083%200%200%200-11.6-7.2l-1.1-.6c5.4-3%2010.8-5.6%2016.6-7.7l5-1.7a52%2052%200%200%200%206.7-2.6Z%22%20fill%3D%22%23f2d3b1%22%2F%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3Cpath%20d%3D%22M617.2%20468.8c1.2%201.4%202.4%202.4%202.9%204.2a65.5%2065.5%200%200%201-79%2079.6%2065.2%2065.2%200%200%201-49-71.6c.6-3.4%201.8-7.2%205.7-8%208.6-1.6%2017.5-1.4%2026.2-2.4a999%20999%200%200%201%2073-2c6.8-.4%2013.5.4%2020.2.2Z%22%20fill%3D%22%23000%22%2F%3E%3Cpath%20d%3D%22m607%20474.3%207.5.3a59%2059%200%200%201-37.2%2070.6%2059.3%2059.3%200%200%201-79-66c1.8-.7%203.7-1.3%205.7-1.4%2016.9-1.4%2033.8-2.4%2050.8-3-.5%205.2-.2%2010.4%202%2015.4a26.7%2026.7%200%200%200%2018.7%2015c4.9.9%209.9.6%2014.6-1.1%208.2-2.8%2014.3-10%2016.4-18.3%201-3.9.7-7.6.6-11.5Z%22%20fill%3D%22%23fff%22%2F%3E%3Cpath%20d%3D%22M432%20480.7c2-.3%203.8.3%205.8.7a55%2055%200%201%201-106%2018.6c6.5-3.3%2013.1-3.8%2020.4-5.5%2020.5-4.2%2041.1-8.1%2061.8-11.3%206-1%2012-2%2018-2.5Z%22%20fill%3D%22%23000%22%2F%3E%3Cpath%20d%3D%22M433.7%20486a54.7%2054.7%200%200%201%202.6%2016%2049.6%2049.6%200%200%201-54.3%2048.9%2049.7%2049.7%200%200%201-44.4-47.3c14.4-3.6%2029.1-6.2%2043.7-9a24.7%2024.7%200%200%200%2010.1%2016%2024%2024%200%200%200%2030-2.3%2025%2025%200%200%200%207.2-21.7l5.1-.5Z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3Cpath%20d%3D%22M607%20397.6c1.5-.4%203.2.6%204.7%201%200%201.2-.1%202.4-.4%203.6-1.6%201.5-3.6%202.6-5.4%203.8a803.6%20803.6%200%200%201-70.4%2040.6A289.9%20289.9%200%200%201%20500%20462a50%2050%200%200%201-21%203.5c-3.3-.4-6.2-3-6.2-6.5%200-4.2%203-8.6%205-12.1%201.3-2.7%204.5-3%207-4.1l111.7-41.5c3.5-1.2%207-2.8%2010.5-3.7ZM339%20432.6l90%2018c2.3.4%204.6.1%206.9.5%202.4%202.3%203.6%206.2%204.5%209.4%201.2%204-.1%208.8-4%2011-4%202.6-9.8%202.1-14.4%201.9-8.8-1-17.4-3.8-25.7-6.8a418%20418%200%200%201-57-27c-1.6-.9-3.6-1.9-4.8-3.5-.3-2.9%201.9-4.1%204.5-3.5Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3Cpath%20d%3D%22M526%20559.6c18%200%2037.2%202.1%2054%209-52.2%207.3-107.2%2015.2-159%2022.3%208-7%2017.7-12.3%2027.4-16.5A79.3%2079.3%200%200%201%20488%20567c1%20.1%201.9%200%202.7-.4%2010.2-5.9%2023.7-6.6%2035.3-7Z%22%20fill%3D%22%23D31E1E%22%2F%3E%3Cpath%20d%3D%22M580%20568.7c2.4%201%202%203.4%201.4%205.4a92%2092%200%200%201-28.4%2034%2096.5%2096.5%200%200%201-60%2017.5c-26.8-1-53-12-73.4-29.3-.4-2.4-.5-3.7%201.4-5.4%2051.8-7.1%20106.8-15%20159-22.2Z%22%20fill%3D%22%23000%22%2F%3E%3Cpath%20d%3D%22M581.4%20574.1c-1.1%204.6-1.9%209.2-3.7%2013.7-5.3%2013.9-16%2025.4-28.4%2033.5a103.3%20103.3%200%200%201-45.3%2016%2096%2096%200%200%201-58-11.3%2060.6%2060.6%200%200%201-26.4-29.7%20122.1%20122.1%200%200%200%2073.4%2029.3%2092%2092%200%200%200%2088.4-51.5Z%22%20fill%3D%22%23D31E1E%22%2F%3E%3Cpath%20d%3D%22M573.9%20575.5c-8.2%2015-21%2027.5-36.4%2035a89.2%2089.2%200%200%201-40.5%209.2c-24.7.2-49-9-68.6-23.9%2048-6.6%2097.8-13.8%20145.5-20.3Z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3Cpath%20d%3D%22M468.5%20215.1c7%201.1%2013.9%201%2020.8%202.5%2012%202.4%2024%205.8%2036%208.9%2032.6%208.8%2065.4%2016.6%2098.7%2022.4%2021.5%203.8%2044%206.9%2064.6%2014.5%2011.4%204%2022.3%209.1%2032.6%2015.3%204.8%203.7%208.7%209%2012.1%2014a255.4%20255.4%200%200%201%2031.3%2068.7%20497.2%20497.2%200%200%201%2016%2064.6c2.2%207.6.6%2016.3-.6%2024-3.4%2019-10%2037-18.7%2054.3a307%20307%200%200%201-38.5%2056.5A187.8%20187.8%200%200%201%20691%20591a129.6%20129.6%200%200%201-31.3%2017.7c-1.7.4-3%201.4-4.3-.3-1.3-1-.3-3.6%200-5%203.4-11.4%205.8-23%207.3-34.7%201.2-8.9%201.2-17.9%201.7-26.8-.2-10-.6-20-2-30a195.8%20195.8%200%200%200-36.4-91.2c-2.1%2030.3.4%2061.3%208.5%2090.6.9%203.4%202.4%206.4%203.7%209.6.4%203.3-2.2%204.6-5%203.5a276.5%20276.5%200%200%201-139.1-109.7%20162%20162%200%200%200-16%2026.4%20190.4%20190.4%200%200%200-16.5%2096c-1%201.1-2%203.5-3.8%203.6-2%20.3-3-1.4-4-2.7-5.6-7.5-11-15.1-15.8-23.2a332.2%20332.2%200%200%201-28.5-65.4c-7.1-23.2-13-47.3-15.1-71.6a287.3%20287.3%200%200%200-51.6%2088.8%20169%20169%200%200%200-10.6%2049.3c0%203.2-3.7%203.1-5.4%201a135.3%20135.3%200%200%201-25-36c-12.9-27-17.6-57.3-15-87l-11.6%208.3a134.4%20134.4%200%200%200-27.4%2028.6c-1.4%201.8-2.2%203.7-4.8%203.3-2.8-1-1.1-4.1-1-6.2%203.1-12.7%208.4-25%2014.4-36.5a287%20287%200%200%201%2059.7-75.3c29-26.3%2063.2-48.6%20100.5-61.2%204.6-9%209.8-18.2%2016-26.2a37.8%2037.8%200%200%201%2016.6-12.6c6.3-2.1%2012.7-2.1%2019.2-1Z%22%20fill%3D%22%23000%22%2F%3E%3Cg%20fill%3D%22%23b9a05f%22%3E%3Cpath%20d%3D%22M471.5%20221c16.5%201.2%2033.3%206.2%2049.4%2010.4%2028%207.5%2056%2014.5%2084.6%2020%2026.7%205.5%2054%208%2079.4%2016.8%2010.2%203.5%2020.6%207.4%2029.8%2013%207%204.4%2011.2%2010.8%2015.7%2017.4%209.5%2015%2017.2%2031.1%2023.2%2047.9a565.8%20565.8%200%200%201%2021.5%2079.3c1.5%207.8.6%2015.2-.8%2023-2.2%2012-5.6%2023.8-10.3%2035.2-9%2023-22.5%2044-37.7%2063.3a270%20270%200%200%201-25.6%2028.4%20155.5%20155.5%200%200%201-38.7%2026.5%20228%20228%200%200%200%205.6-95.3%20195.3%20195.3%200%200%200-41.9-95.7c-1.5-1.9-3.9-1.3-4.9.7-2.9%2035.8-1%2071.2%2010.1%20105.6a270.4%20270.4%200%200%201-130.5-103.9c-18.7-29-31-61.9-33.9-96.4-.2-2.6-2.4-3.7-4.7-2.6-1.4%201.7-1%203.5-1%205.5%203.2%2031.6%2013.9%2061.9%2030%2089.2-5%207.2-10%2014.4-14.2%2022.3a185%20185%200%200%200-20.3%2068.4c-1.3%2010.4-.9%2020.6-.5%2031a221.1%20221.1%200%200%201-24.4-41.5c-14-30-23.5-62-29-94.6a307%20307%200%200%201-3.8-41.9%20229%20229%200%200%201%206.4-51%20218%20218%200%200%201%2023.5-56.5c5-8.1%2011-17.9%2019.5-22.5%207-4.2%2015.8-3%2023.5-2Z%22%2F%3E%3Cpath%20d%3D%22M413%20262.6a216.8%20216.8%200%200%200-20.2%2090.4c0%205.7.6%2011.4.7%2017.1a295.5%20295.5%200%200%200-47%2072.4c-7.5%2016.5-13.8%2034-17.4%2051.7-1%204.7-1.4%209.5-2.3%2014.2-25.3-29.1-36.7-69.2-34.6-107.4%200-4.8%201.4-8.7-.2-13-1.4-1.4-3.6-.9-5.1%200-4%202-7.7%205-11.4%207.5-9%206-16.2%2013.1-23.7%2020.8a174%20174%200%200%201%2013-27.7c19.6-34.5%2048-64.4%2079.6-88.2a275.5%20275.5%200%200%201%2068.6-37.8Z%22%2F%3E%3C%2Fg%3E%3C%2Fg%3E%3Cg%20transform%3D%22translate(-161%20-83)%22%3E%3Cpath%20d%3D%22M790.7%20496.2c.6%204.4-4%208.1-8.1%206.2-2.5-1-3-3.2-4.2-5.4%201.3-2.2%201.8-4.4%204.3-5.3%203.4-1.5%207.5%201%208%204.5ZM787.3%20513.3c4.5-2.2%209.6%202.2%208%207-1.3%204.2-6.8%205.7-9.9%202.2a5.8%205.8%200%200%201%201.9-9.2Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fg%3E%3C%2Fg%3E%3C%2Fsvg%3E){kind=avatar}
Public learning profile
නිපුන් ප්රනාන්දු
@nipun-fernando
Physics enthusiast | Past paper analysis 💡
al_student
0Reputation
0Accepted answers
Community learner
Learning in public, one good question at a time.