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Electric Charge Charge of a material body or particle is the property (acquired or natural) due to which it produces and experiences electrical and magnetic effects. Some of naturally charged particles are electron, proton, α-particle etc. Charge is a derived physical quantity. The S.I. unit of Charge is coulomb. In practice we use…
Difference between Heat Engine Heat Pump and Refrigerator In this article we are going to have detailed study of difference between Heat Engine Heat Pump and Refrigerator. Heat Engine: Heat engine is a device which converts heat energy into mechanical work. In heat engine how much work is extracted from a given amount of heat…
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DIMENSIONS Dimensions of a physical quantity are the powers (or exponents) to which the base quantities are raised to represent that quantity. 1. Dimensional formula :- Dimensional formula of any physical quantity is that expression which represents how and which of the base quantities are included in that quantity. It is written by…
System of Units System of Units :- A system of units is the complete set of units, both fundamental and derived, for all kinds of physical quantities. The common system of units which is used in mechanics are given below :- (a) CGS or Gaussian system In this system the fundamental quantities are…
Physical Quantities All the quantities which are used to describe the laws of physics are known as physical quantities or in other words “the quantities which can be measured are called physical quantities.” Classification of physical quantities :- Physical quantities can be classified on the following bases :- I. Based on their directional…
Newton’s Laws of Motion Newton’s Laws of Motion Newton has published three laws, which describe how forces affect motion of a body on which they act. These laws are fundamental in nature in the sense that the first law gives concept of force, inertia and the inertial frames; the second law defines…
JEE MAINS ADMIT CARD DOWNLOAD 2020 To download JEE MAINS ADMIT CARD 2020 click the link given below:- https://testservices.nic.in/JEEMainAdmitCard/DownloadAdmitCard/authcand.aspx
JEE MAINS EXAM 2020 NEET, JEE exams to be held as per schedule. Supreme Court dismisses request to postpone JEE Main. JEE Mains will be conducted from September 1 to 6 and NEET UG 2020 will be held on September 13,2020.
JEE MAINS ADMIT CARD 2020 The release of JEE Mains admit card has been delayed, reportedly due to the PILs filed in the courts. Notably, multiple PILs have been filed in the Supreme Court, demanding postponement of JEE and NEET exams. The Supreme Court will hear the plea on Monday, August 17.