Chapter 4 of Class 11 Physics — Laws of Motion — is one of the most important chapters in mechanics. A solid grasp of Newton’s Laws, momentum, friction, and circular motion is essential before moving ahead in the syllabus. To help you check your preparation, I have designed a 30-mark practice test covering all key […]
Class 11 Physics Chapter 4: Laws of Motion Practice Test Read More »
What is Periodic Motion : In Physics, a motion that is regular and repeating is called Periodic Motion. The time to complete one full motion is called the Time period of the Periodic Motion
What is SHM: A Simple Harmonic Motion is a special case of Periodic motion where a physical quatity varies sinusoidally.In this Periodic motion the restoring force is directly proportional to the displacement. The object oscillates between two position and Motion is sinusoidally in nature.
How to solve Simple Harmonic Motion(SHM) problems effectively for JEE Main/Advanced Read More »
A non inertial Frame of Refrence is the frame of refrence which is having acceleration a. Example Free Falling elevator
Newtons law are valid in inertial frame of refrence only. We cannot apply them as it is in non inertial frame of refrence as it left out the acceleration of the object because of the frame of refrence.
Let me provide simple example to illustrate this.
Useful fictitious force examples Read More »
Students deal with lots of stress during the examination days. We can reduce the stress and stay calm and get success by following these simple steps
1)Take practice tests. The single best way to prepare is to practice. Taking sample exams under similar conditions as the real one will familiarize you and increase your confidence Level. This should be done few days before the examination days. The day before examination should be kept for revising the notes only
11 Smart ways to relieve stress during examination time Read More »
1) If the total external force acting on a rigid body is zero, then
(a) only linear momentum remains constant
(b) only angular momentum remains constant
(c) both linear momentum and angular momentum remains constant
(d) neither linear momentum nor angular momentum remain constant
2) A ball of mass M is tied to a string of length L is whirled round in a horizontal plane in a circle of radius R. The speed of the stone is increased beyond the maximum permissible value and the string breaks suddenly; then
(a) the stone will jerk radially outwards
Top Conceptual Questions for Rotational Mechanics Read More »
Integration of inverse trigonometric functions can be calculated using integration by parts ,integration by substitution .Here are the formula for it \[ \int \sin^{-1}x \, dx = x \sin^{-1}x + \sqrt{1 – x^2} + C \] \[ \int \cos^{-1}x \, dx = x \cos^{-1}x – \sqrt{1 – x^2} + C \] \[ \int \tan^{-1}x \,
Integration of inverse trigonometric functions Read More »
All students preparing themselves for JEE Main 2025 should have already started their preparation from class 11. The simple mantra for success here is to have the complete knowledge of JEE Main 2025 Syllabus. It’s not easy to cover the entire syllabus within the time for most of the students as most of them start
Expect these 7 Physics Questions in JEE 2026 Read More »
Introduction The Science Olympiad Foundation (SOF) is an educational foundation and a non-profit organisation based in New Delhi, India which promotes science, mathematics, introductory computer education and English language skills amongst school children in India. It organises five Olympiads annually, namely the National Cyber Olympiad (NCO), the National Science Olympiad (NSO), the International Mathematics Olympiad
National Science Olympiad 2025-2026 Read More »
