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A small group of primary electrons is created by the arrival of a group of initial photons. (In Fig. 1, the number of primary electrons in the initial group is proportional to the energy of the incident high energy gamma ray.) The primary electrons move toward the first dynode because they are accelerated by the electric field.
Until 2012, the All India Pre-Medical Test (AIPMT) was conducted by the Central Board of Secondary Education (CBSE). In 2013, NEET-UG was introduced, conducted by CBSE, replacing AIPMT. However, due to legal challenges, NEET was temporarily replaced by AIPMT in both 2014 and 2015. In 2016, NEET was reintroduced and conducted by CBSE.
In 2010, the pattern of AIPMT was changed. The examination was replaced by a two-tier or two-stage test – The AIPMT Prelims and the AIPMT Mains, in which the AIPMT Prelims was used to be objective exam and AIPMT Mains was used to be subjective exam. The candidates who could qualify the AIPMT Prelims were eligible to give the AIPMT Mains test.
Description: Boyle, in the form of a dialogue, argued that chemical theories should be firmly grounded in experiment before their acceptance, and for the foundation of chemistry as a science separate from medicine and alchemy. Importance: Topic Creator, Influence. Boyle, in this book, became the first to argue that experiment should form the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 January 2025. Educational assessment For other uses, see Exam (disambiguation) and Examination (disambiguation). Cambodian students taking an exam in order to apply for the Don Bosco Technical School of Sihanoukville in 2008 American students in a computer fundamentals class taking an online test in ...
[1] [2] [3] Hill's finding was that the origin of oxygen in photosynthesis is water (H 2 O) not carbon dioxide (CO 2 ) as previously believed. Hill's observation of chloroplasts in dark conditions and in the absence of CO 2 , showed that the artificial electron acceptor was oxidized but not reduced, terminating the process, but without ...
Advanced Level (A-Level) Mathematics is a qualification of further education taken in the United Kingdom (and occasionally other countries as well). In the UK, A-Level exams are traditionally taken by 17-18 year-olds after a two-year course at a sixth form or college.
Printing quality is highly influenced by the various treatments and methods used in creating paper and enhancing the paper surface. Consumers are most concerned with the paper-ink interactions which vary for certain types of paper due to different chemical properties of the surface. [8] Inkjet paper is the most commercially used type of paper.