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  2. Kundt's tube - Wikipedia

    en.wikipedia.org/wiki/Kundt's_tube

    The problem with this method is that when a tube of air is driven by a sound source, its length at resonance is not exactly equal to a multiple of the half-wavelength. [3] Because the air at the source end of the tube, next to the speaker's diaphragm, is vibrating, it is not exactly at a node (point of zero amplitude) of the standing wave.

  3. National Digital Library of India - Wikipedia

    en.wikipedia.org/wiki/National_Digital_Library...

    The range of content includes school, college, and university-level topics, as well as material for 21st-century skills such as digital literacy, language and communication, and scientific temper. These resources are available in text, video, audiobook, presentations, and simulations in multiple Indian languages, aligning NDLI’s objectives ...

  4. Resonance (journal) - Wikipedia

    en.wikipedia.org/wiki/Resonance_(journal)

    Resonance Journal of Science Education is a monthly peer-reviewed academic journal covering science education. It is currently being published by Springer Science+Business Media on behalf of the Indian Academy of Sciences and the editor-in-chief is Prof. B Sury. The journal was established in 1996.

  5. Common Engineering Entrance Examination - Wikipedia

    en.wikipedia.org/wiki/Common_engineering...

    On 18 June 2012, a more specific format was proposed by a joint meeting of the councils of IITs, NITs, and IIITs. As per this proposal, the exam would be called the Joint Entrance Examination (JEE) and would be made up of two parts, JEE-Main [9] and JEE-Advanced. Two distinct "patterns of admission" would be used.

  6. Joint Entrance Examination – Advanced - Wikipedia

    en.wikipedia.org/wiki/Joint_Entrance_Examination...

    The Joint Entrance Examination – Advanced (JEE-Advanced) (formerly the Indian Institute of Technology – Joint Entrance Examination (IIT-JEE)) is an academic examination held annually in India that tests the skills and knowledge of the applicants in physics, chemistry and mathematics.

  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. Common Entrance Examination for Design - Wikipedia

    en.wikipedia.org/wiki/Common_Entrance...

    The Common Entrance Examination for Design (CEED) is a joint entrance exam for post-graduate studies in the field of technological design.The exams are held annually at all Indian Institutes of Technology (IITs) and Indian Institute of Science (IISc).

  9. Resonance - Wikipedia

    en.wikipedia.org/wiki/Resonance

    Increase of amplitude as damping decreases and frequency approaches resonant frequency of a driven damped simple harmonic oscillator. [1] [2]Resonance is a phenomenon that occurs when an object or system is subjected to an external force or vibration that matches its resonant frequency, defined as the frequency that generates the maximum amplitude response in the system.