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Byju's is an education tutoring app that runs on a freemium model, [30] with free access to content limited for 15 days after the registration. [30] [31] It was launched in August 2015, [32] offering educational content for students from classes 4 to 12. [33] In 2019, an early learning program started for classes 1 to 3. [20]
Byju was born in 5th January 1980 in the Azhikode [1] [2] village of Kerala, India to Raveendran and Shobhanavalli, physics and mathematics teachers, respectively. [3] [4] He studied at a Malayalam medium school where his mother was a mathematics teacher and his father a physics teacher. [5] [6] He would skip classes and then learn at home. [7] [8]
As a result of these efforts, Byju's educational content was made available for free to students during the pandemic, leading to the addition of 13.5 million new users, bringing the total to 50 million by April 2020 and a total of 70 million students by September 2020, eventually garnering 4.5 million subscribers.
Portal:Physics/Did you know/5 . Mock mirage of the setting sun... the mirage of astronomical objects is an optical phenomenon, which produces distorted or multiple images of astronomical objects such as the Sun, the Moon, the planets, bright stars and very bright comets
Physics (from Greek φυσική (ἐπιστήμη), i.e. "knowledge of nature", from φύσις, physis "nature"), is the natural science that involves the study of matter (anything that has mass and occupies space) and its motion (movement from place to another) through space and time, light and its propagation, along with related concepts ...
In physics and chemistry, a degree of freedom is an independent physical parameter in the chosen parameterization of a physical system.More formally, given a parameterization of a physical system, the number of degrees of freedom is the smallest number of parameters whose values need to be known in order to always be possible to determine the values of all parameters in the chosen ...
Physics Wallah Private Limited (commonly known as Physics Wallah; or simply PW) is an Indian multinational educational technology company headquartered in Noida, Uttar Pradesh. The company was founded by Alakh Panday in 2016 as a YouTube channel aimed at teaching the physics curriculum for the Joint Entrance Examinations (JEE).
The excluded volume of particles (the volume excluded to the centers of other particles due to the presence of one) is a key parameter in such descriptions,; [2] [3] the distance of closest approach is required to calculate the excluded volume.