#physical quantities

[todays-xkcd]

The Hubble length is about 1.9 meters lying down; Edwin Hubble was a tall guy.

Physical Quantities [Explained]

[class11physics]

Lecture 2 – Units and Measurements | NCERT Class 11 Physics Chapter 2 | IIT JEE Mains / NEET

In this lecture, Ashish Sir explains the Basics of Angles, Basics of Radian, and the Conversion between Degree and Radian from Chapter 2 – Units and Measurements (NCERT Class 11 Physics). The session covers concepts from basic to advanced, including every NCERT solution, important questions, and key examples.

Perfect for Class 11 Physics students and IIT JEE Mains / NEET aspirants, this lecture ensures you understand each concept step-by-step in a simple Hindi + English mix. Whether you’re learning the topic for the first time or revising for exams, this video builds a strong foundation in angular measurements and conversions.

[ashishkumarletslearn]

Lecture 2 – Units and Measurements | NCERT Class 11 Physics Chapter 2 | IIT JEE Mains / NEET

Angles, Degree & Radian Basics | Degree–Radian Conversion | Class 11 Physics | IIT JEE / NEET | MathYug

In this lecture, Ashish Sir explains the Basics of Angles, Basics of Radian, and the Conversion between Degree and Radian from Chapter 2 – Units and Measurements (NCERT Class 11 Physics). The session covers concepts from basic to advanced, including every NCERT solution, important questions, and key examples.

Perfect for Class 11 Physics students and IIT JEE Mains / NEET aspirants, this lecture ensures you understand each concept step-by-step in a simple Hindi + English mix. Whether you’re learning the topic for the first time or revising for exams, this video builds a strong foundation in angular measurements and conversions.

What you’ll learn:

-Understanding angles in Physics

-Radian definition and applications

-Step-by-step degree–radian conversion method

-Solved NCERT questions & examples for JEE/NEET preparation

🔔 Subscribe to MathYug for more high-quality Physics lectures, notes, and assignments. https://www.youtube.com/AshishKumarLearn

Official Website - https://mathyug.com

[solution-provider]

What are Physical Quantities?

[educationcompanion]

3 Things about the Centre of Mass

3 Things about the Centre of Mass

The centre of mass or mass centre is the mean location of all the mass in a system. In the case of a rigid body, the position of the centre of mass is fixed in relation to the body. In the case of a loose distribution of masses in free space, such as shot from a shotgun or the planets of the solar system, the position of the centre of mass is a point in space among them that may not correspond to…

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[helenjgaston]

New Study Finds That Peeing At Night Could Indicate Other Health Issues

New Study Finds That Peeing At Night Could Indicate Other Health Issues

https://www.mindbodygreen.com/articles/new-study-finds-that-peeing-at-night-could-indicate-hypertension

If you’re constantly getting up to pee, it might be time to talk to your doctor.

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[hisourart-blog]

[:en]Spectral power distribution[:]

[:en]In radiometry, photometry and color science, a spectral power distribution (SPD) measurement describes the power per unit area per unit wavelength of an illumination (radiant exitance). More generally, the term spectral power distribution can refer to the concentration, as a function of wavelength, of any radiometric or photometric quantity (e.g. radiant energy, radiant flux, radiant…

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[cybrok]