JEE Exam  >  JEE Questions  >  The characteristic distance at which quantum ... Start Learning for Free
The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms?
Most Upvoted Answer
The characteristic distance at which quantum gravitational effects are...
Planck Length

The Planck length is the scale at which quantum gravitational effects become significant. It is defined as the length scale at which the gravitational force between two masses is equal to the quantum mechanical uncertainty in their position. The Planck length can be determined from a suitable combination of constants G, h, and c.

Constants used in the determination of Planck Length

- G: The gravitational constant, which describes the strength of the gravitational force between two objects.
- h: The Planck constant, which relates the energy of a photon to its frequency.
- c: The speed of light in a vacuum, which is a fundamental constant of nature.

Determination of Planck Length

The Planck length can be determined using the following formula:

L_p = (hG/c^3)^0.5

Where L_p is the Planck length.

Explanation

The formula for Planck length uses the constants G, h, and c to relate the gravitational force to the quantum mechanical uncertainty in position. The Planck length is the distance at which these two effects are of equal magnitude.

The Planck length is an incredibly small scale, approximately 1.616 x 10^-35 meters. It is so small that it is difficult to imagine its physical significance, but it is thought to be the smallest meaningful length scale in the universe.

In summary, the Planck length is determined from a combination of constants G, h, and c, and it represents the scale at which quantum gravitational effects become significant.
Community Answer
The characteristic distance at which quantum gravitational effects are...
√(Gh/c^3)
Explore Courses for JEE exam
The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms?
Question Description
The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms?.
Solutions for The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
Here you can find the meaning of The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? defined & explained in the simplest way possible. Besides giving the explanation of The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms?, a detailed solution for The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? has been provided alongside types of The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? theory, EduRev gives you an ample number of questions to practice The characteristic distance at which quantum gravitational effects are significant,the planck length, can be determined from a suitable combination of constants G, h and c. What is planck length in these terms? tests, examples and also practice JEE tests.
Explore Courses for JEE exam

Top Courses for JEE

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev