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**Motion**in Straight Line**Class**11 Notes-**PDF**Download.**Physics****Class**11 Chapter 3 Revision Notes are available online in**PDF**file for all students. It can be downloaded for free from Vedantu's official website and app for quick revision of all the crucial concepts and equations in a stress-free manner just before the exam.In linear

**motion**, the object moves from one point to the other in a straight line or a curved path. For example, the**motion**of vehicles, football, and others. Rotatory**motion**is the**motion**that happens when a body rotates on its own axis. A classic example is the**motion**of the earth.**Von Neumann**published over 150 papers in his life: about 60 in pure mathematics, 60 in applied mathematics, 20**in physics**, and the remainder on special mathematical subjects or non-mathematical ones. His last work, an unfinished manuscript written while he was dying in hospital, was later published in**book**form as The Computer and the Brain.**Open Source****Physics**(OSP), a National Science Foundation and Davidson College project to spread the use of**open source**code libraries that take care of much of the heavy lifting for**physics**;**Open Source**Geospatial Foundation; NASA**Open Source**Agreement (NOSA), an OSI-approved software license; List of**open-source**software for mathematics**Lakhmir Singh Physics Class 9 Solutions Motion**.**Lakhmir Singh Physics Class 9 Solutions**Page No:19. Question**1**: Is displacement a scalar quantity ? Solution : No, displacement is a vector quantity. Question 2: State whether distance is a scalar or a vector quantity. Solution : Distance is a scalar quantity. Question 3: Change the speed of 6 m ...λ=\[\frac{

**1**}{n\bar{v}}\] Where λ is the wavelength, n is the refractive index of the medium, \[\bar{v}\] is the Spectroscopic**Wavenumber**. The SI unit of measurement of Spectroscopic**Wavenumber**is reciprocal of a meter that is m-**1**. The CGS unit of measurement of Spectroscopic**Wave number**is reciprocal of a centimetre that is cm-**1**.In his

**book**The Trouble With**Physics**, physicist Lee Smolin of the Perimeter Institute for Theoretical**Physics**claims that this is the principal weakness of**string theory**as a theory of quantum gravity, saying that**string theory**has failed to incorporate this important insight from general relativity.