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  2. Sympathetic resonance - Wikipedia

    en.wikipedia.org/wiki/Sympathetic_resonance

    Sympathetic resonance or sympathetic vibration is a harmonic phenomenon wherein a passive string or vibratory body responds to external vibrations to which it has a harmonic likeness. [1] The classic example is demonstrated with two similarly-tuned tuning forks. When one fork is struck and held near the other, vibrations are induced in the ...

  3. Unacademy - Wikipedia

    en.wikipedia.org/wiki/Unacademy

    Unacademy is an Indian multinational educational technology company that provides online educational platform [2] with its headquarters in Bangalore.It prepares students for various competitive exams (like JEE, NEET, UPSC, Chartered Accountancy, GATE, UPSC NDA, CUET, Boards etc.), as well as provides content on foundational and skill building courses (programming, photography, entrepreneurship ...

  4. Joint Entrance Examination - Wikipedia

    en.wikipedia.org/wiki/Joint_Entrance_Examination

    JEE-Main, unlike JEE-Advanced, has a fixed exam structure and is not subject to change every year. Up until 2018, the JEE-Main Paper-I was three hours long and consisted of thirty questions in each of the three subjects (physics, chemistry and maths). 4 marks are awarded for correct answers and 1 mark is deducted for incorrect answers.

  5. Application essay - Wikipedia

    en.wikipedia.org/wiki/Application_essay

    An admissions or application essay, sometimes also called a personal statement or a statement of purpose, is an essay or other written statement written by an applicant, often a prospective student applying to some college, university, or graduate school. The application essay is a common part of the university and college admissions process.

  6. Kundt's tube - Wikipedia

    en.wikipedia.org/wiki/Kundt's_tube

    The sound generator is turned on and the piston is adjusted until the sound from the tube suddenly gets much louder. This indicates that the tube is at resonance. This means the length of the round-trip path of the sound waves, from one end of the tube to the other and back again, is a multiple of the wavelength λ of the sound waves. Therefore ...

  7. Mesomeric effect - Wikipedia

    en.wikipedia.org/wiki/Mesomeric_effect

    In chemistry, the mesomeric effect (or resonance effect) is a property of substituents or functional groups in a chemical compound. It is defined as the polarity produced in the molecule by the interaction of two pi bonds or between a pi bond and lone pair of electrons present on an adjacent atom. [ 1 ]

  8. Video essay - Wikipedia

    en.wikipedia.org/wiki/Video_essay

    A video essay is an essay presented in the format of a video recording or short film rather than a conventional piece of writing; the form often overlaps with other forms of video entertainment on online platforms such as YouTube.

  9. Resonance - Wikipedia

    en.wikipedia.org/wiki/Resonance

    Acoustic resonance is an important consideration for instrument builders, as most acoustic instruments use resonators, such as the strings and body of a violin, the length of tube in a flute, and the shape of, and tension on, a drum membrane. Like mechanical resonance, acoustic resonance can result in catastrophic failure of the object at ...