# High School Physics – Online Learning

High School Physics for K12, ICSE, CBSE, ISC, IGCSE, GCSE, AP – free Online Physics Learning & Reading. At present we broadly cover the following physics chapters & topics:

## Physics Notes Categories (chapter-wise)

The links below take you to chapter-wise notes & topics pages. These hubs or pages contain links to numerous related posts and class notes for your reference.
(for K12, ICSE, CBSE, ISC, IGCSE, GCSE, AP, SAT, NEET, JEE, WBJEE)

[wptb id=8838]

We also cover the following:

Chemistry – All new posts covering the high school chemistry syllabus

Digital Electronics (for Electronics Engineering students)

Java Programming (sample programs in Java)

Microprocessor, microcontroller, and related topics

Biology

## Special Study Guides & Syllabus – selected for this week

Here is a list of selected notes.

How to study Physics (class 11) – study guide

How to Solve Problems in Physics

Physics Numericals – huge collection of solution

MCQ | Worksheets (Physics etc) – class 11 & 12

Vectors class 11 Physics revision notes

Gravitation – Class 11 Physics Revision Notes

Fluid Dynamics Class Notes for class 11 (includes viscosity)

Surface Tension for class 11

Electrostatics Notes – for class 12 (huge collection)

Magnetism | Electromagnetism – class 12 notes

CBSE Class 11 Physics (Theory) – syllabus for 2021-22

## Recent Posts

Our posts include the following broad categories – Online Physics Tutorials | Class Notes | numerical problems & worksheets | Physics Blog Posts | Chemistry tutorials | Process Control | Electronics – analog, digital, microprocessor |

#### Light-dependent resistors (LDR) – fundamentals

A light-dependent resistor (LDR) is a semiconductor component with a resistance that depends on the intensity of the light that is incident on it. The greater the intensity, the lower the resistance of the LDR. How LDR works Light provides the energy to release charge ...

#### Force constant k when Springs are in series and parallel

In this post, we will find more about spring constant or Force constant k and how to find out its value when Springs are in series and parallel. Spring constant or force constant k In Hooke's law, we find a constant k which is known ...

#### Flip-Flop Sequential Circuit

This post covers Flip-Flop Sequential Circuit in detail with the help of a set of questions on the fundamentals of Flip-flop. Also, find answers to these. We hope, the Students who are interested to learn digital electronics and preparing for exams like GATE will find ...

#### Binary Counter Sequential Circuit

Here, we will study Binary Counter Sequential Circuit with the help of a set of questions and answers. We hope that students who are interested to learn digital electronics and preparing for exams like GATE will find this post useful. Binary Counter Sequential Circuit Here ...

#### Ways to Reduce Friction & Ways to Increase Friction

We need to reduce or increase friction in different situations, depending on our requirements and benefits. Here, in this post, we will list down some efficient ways to reduce friction. Not only that, but we will also come up with some intelligent ways to increase ...

#### Weight Versus Buoyant Force – sinking, floating, & Buoying up

An object in a fluid will sink if the object’s weight is greater than the buoyant force (the weight of the fluid that the object displaces). An object floats only when the buoyant force on the object is equal to the object’s weight. An object ...

#### Tension force in a string – class notes

A lot of problems we discuss involve ropes and strings. Most of the time, we assume that they are massless, or more precisely, that the mass of a string is much smaller than the other masses in the problem. As you know from everyday life, ...

#### How to solve Numerical problems based on Coulomb’s Law

In this post, we will solve a few numerical problems using Coulomb's law in a step-by-step approach. Before that, we will quickly revise this law and the equation related to this law. We require this equation of Coulomb's Law to solve the numerical problems. electrostatic ...

#### Solving Numerical problems on Archimedes’ Principle and Buoyancy

In this post, we will quickly revise Archimedes' Principle and its legendary background. Then we will solve a few numerical problems in physics using this principle. Archimedes’ Principle and Buoyancy If an object is submerged in a liquid, the object displaces a volume of the ...

#### Asynchronous Up counter for Positive & Negative edge-triggered flip-flops

In this post, we will discuss the following topics: (a) Asynchronous Up counter for Positive edge-triggered flip-flops & (b) Asynchronous Up counter for Negative edge-triggered flip-flops. For both of these, we will refer to the Logic diagram, Timing diagram, and operational details of the counter ...

#### A 3-Bit Asynchronous Binary Counter in UP counting mode | Up Counter

In this post, we will discuss A 3-Bit Asynchronous Binary Counter in UP counting mode. An asynchronous counter is one in which the flip-flops (FF) within the counter do not change states at exactly the same time because they do not have a common clock ...

#### Numerical problems on the first law of thermodynamics

In this post, we will solve a few numerical problems using the First Law of Thermodynamics. Numerical problems on first law of thermodynamics Question number 1) Complete the values in Table 1 (all values are in kJ). Note that: W = 6 kJ is the ...

#### Thermodynamic energy model & First law of thermodynamics

In this post, we will draw the Thermodynamic energy model to relate heat in, work done on the system, heat out, and work done by the system. Before that, we will discuss the example of a bike pump and mention the First law of thermodynamics ...

#### SI Conversion | Conversion of popular units

In this post, we listed data required for the conversion of units of different physical quantities. These may be used while solving numerical problems in Physics (for educational purposes). Kilometer to mile 1 km = 0.621 mi mile to kilometer 1 mi = 1.609 km ...

#### Newton’s third law from the equation of conservation of linear momentum

In this post, we will see how Newton's third law can be derived from the equation of conservation of momentum. Derive Newton's third law from the equation of conservation of linear momentum Say, a body of mass m1 with velocity u1 collides with another body ...

#### Common forces – types, definition & examples

In this post, we will discuss 8 common forces we find in Physics. For every such force type, we will find out the cause or reason or source of the force and also will site a few examples. The common forces we include are (1) ...

#### The total energy of an orbiting body or satellite – equation derivation with sample numerical

In this post, we will derive the equation of the total energy of an orbiting body, and then will solve a numerical problem using the formula derived. Derive the formula of the total energy of an orbiting body (or satellite) To calculate the total energy ...

#### What is Covalent Bonding? – study notes

Covalent bonds are formed when atoms, rather than gaining or losing electrons, share them. Covalent bonds differ from ionic bonds in that there is no transfer of electrons involved. Electrical attraction between the nuclei of adjacent atoms and the shared electrons causes the atoms in ...

#### Important formulas related to Atomic Structure

In this post, you will find a bunch of important formulas related to atomic structure. formulas related to atomic number & mass number (a) Atomic number (Z) = number of electrons = number of protons (b) Mass number (A) = number of protons + number ...

#### Logic diagram, operation, & timing diagram of a 2-bit Synchronous Binary Counter using J-K flip-flops

In this post, we will cover the Logic diagram, operation, & timing diagram of a 2-bit Synchronous Binary Counter using J-K flip-flops. In one of the earlier posts, we have discussed How to design a Synchronous counter in a step-by-step guide. Logic diagram of a ...

#### How to design a Synchronous counter – step by step guide

In this topic, we will now go through a step-by-step procedure to design a complete synchronous counter. Although we will do it for a specific counting sequence (for example 00-01-10-11), the same steps can be followed for any desired sequence. This detailed guide will help ...

#### Synchronous Counter – Study & Revision Notes

In this post, we will study Synchronous Counter and its benefits over Asynchronous Counter. We will also study the differences between Synchronous Counter and Asynchronous Counter. In binary Synchronous Counter, the flip/flops are clocked simultaneously. The output of all the flip-flops changes in synchronism with ...

#### Simple Harmonic Motion of a Simple Pendulum

In this post, we will focus on a specific example of Simple Harmonic motion and it is the Simple Harmonic Motion of a Simple Pendulum. A simple pendulum consists of a mass called a bob, which is attached to a fixed string, as shown in ...

#### Microwave ovens working principle & physics behind its operation

In this post, we will briefly discuss the science behind the operating principle of the microwave oven. This marvelous invention somehow heats only the soft parts of the food and leaves the inorganic and hard materials, like ceramic and the surfaces of bone, at approximately ...

#### Asynchronous Counter – study & revision notes

This post presents a detailed study & revision notes on Asynchronous Counter or ripple counter, design of a 2-Bit Asynchronous Binary Counter with its Logic diagram, operation diagram & timing diagram. In the Asynchronous Counter, the F/Fs are not clocked simultaneously. The output of the ...

#### Dimensions & Dimensional formulas of physical quantities

In this post, we are going to list the formulas, dimensions, and dimensional formulas of important physical quantities in a tabular format. In these formulas, M stands for mass, L stands for length, and T stands for time. Here is the table below. We will ...

#### Electron shells for the first 20 elements & shells filling rules

In this post, we will present a diagram displaying the electron shells for the first 20 elements of the Periodic Table.The number of electrons increases by 1 each time. (It is the same as the proton number.) The shells fill according to the rules given ...

#### The atoms of the first 20 elements in the periodic table

In the Periodic Table, the elements are arranged in order of increasing proton number. Here is a quick list of the names of the first 20 elements in the periodic table: hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminium, silicon, ...

#### Isotopes – revision notes

Isotopes are atoms of the same element, with different numbers of neutrons. The nuclei of different isotopes of the same element have the same number of protons but different numbers of neutrons. Most elements have isotopes. For example, calcium has six, magnesium has three, hydrogen ...

#### Excess pressure inside Liquid Drop and Liquid Bubble – derivation of equations

In this post, we will derive the equations for the Excess pressure inside Liquid Drop and Liquid Bubble. Small-sized liquid drops and a bubble are spherical in shape due to surface tension. The liquid surface is curved; therefore there is an excess pressure; p; inside ...

#### Excess Pressure Across a Curved Liquid Surface (surface tension notes)

In this post, we will cover an important topic of the Surface Tension chapter. And this topic is Excess Pressure Across a Curved Liquid Surface. What is excess pressure across the liquid surface In general, a liquid surface may be a plane, concave or convex ...

#### The Angle of Contact (Surface Tension) – concepts

In this post, we will discuss the concepts of the Angle of Contact which is related to surface tension. Let's define and understand it first. Define the Angle of Contact How much curved a meniscus will be, is expressed in terms of angle of contact ...

#### Surface tension – numerical problems with solution

In this post, we will solve a few selected numerical problems from the Surface Tension chapter (Physics class 11). Numerical problems from the Surface Tension chapter 1 ) A wire bent in the form of a ring of radius 5 cm rests on the surface ...

#### Surface tension equals the free energy of the liquid surface – prove it

Surface tension (S) equals the free energy (E) of the liquid surface (Temperature remaining constant). Let's see how we can prove that mathematically using an experimental setup. how to prove that Surface tension equals the free energy of the liquid surface? figure 1: setup to ...

#### Surface Tension with molecular theory – class 11 physics

The surface of a liquid at rest behaves like a stretched membrane. It tries to contract and have a minimum surface area. This property of the liquid surface is known as surface tension. Illustrations of Surface Tension | examples of surface tension Small liquid drops ... This High School Physics BLOG is founded by Anupam M with a few aims like providing (1) content for online physics learning, (2) online physics free reading material (3) online physics High School Course notes (4) online physics lab course material (5) Online physics help in different formats (6) publishing online physics calculator & (7) online physics simulator, etc. to assist students in mastering the basics or the fundamentals by publishing quality content.

And we have come across a few miles, and we have many miles to go.

Students of different boards like ICSE, CBSE, IGCSE, GCSE, State Boards, etc. are our readers. Persons who are preparing for AP physics & other competitive examinations like UPSC, IIT JEE, and NEET are also our regular readers.

The posts published here have been successful so far to clarify confusion in young minds.

This blog is crafted to help the readers to build a foundation for different examinations like JEE, NEET, SAT, and AP Physics. It also focuses minutely on Class 8 to 10, and class 11 and class 12 Syllabus for different boards like ICSE, CBSE, ISC, GCSE, IGCSE State, etc, specifically for Physics.

This may be equally efficient for the global K12 Physics syllabusThis BLOG is to some extent like an online physics tutor providing online physics coaching and physics notes, through regular blog posts on various topics, helping students in mastering physics fundamentals.