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For examinations up to and including the 2018 papers, the specification for STEP 1 and STEP 2 was based on Mathematics A Level content while the syllabus for STEP 3 was based on Further Mathematics A Level. The questions on STEP 2 and 3 were about the same difficulty. Both STEP 2 and STEP 3 are harder than STEP 1. [6]
Fig. 2: Typical photomultiplier voltage divider circuit using negative high voltage. Photomultipliers are typically constructed with an evacuated glass housing (using an extremely tight and durable glass-to-metal seal like other vacuum tubes ), containing a photocathode , several dynodes , and an anode .
Oxford, Cambridge and RSA Examinations [2] (OCR) is an examination board which sets examinations and awards qualifications (including GCSEs and A-levels). It is one of England, Wales and Northern Ireland's five main examination boards. OCR is based in Cambridge, with an office in Bourn, Coventry.
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
U.S. President-elect Donald Trump said "anything can happen" when asked about the chances of going to war with Iran during his next term in an interview with Time, coinciding with his being named ...
An Azerbaijani airliner carrying 67 people crashed near the city of Aktau in Kazakhstan on Wednesday, killing at least 38 who were on board, according to a Kazakh official.
2. Beef. Red meat may have its critics. But don’t forget that beef is also a source of many important nutrients, especially iron (nearly 2 g per 3-ounce serving of sirloin steak). While iron is ...
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.