badge image

Enroll For Free Now & Improve Your Performance.

×
User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: upto college level

                        

Is the concept of an incompressible fluid valid in relativity? What about perfectly rigid bodies?

5 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points
							No, the concept of an incompressible fluid is not valid in relativity. According to equation of state the incompressible fluid signifies that,
dρ/dp = 0
Here p is the pressure of the fluid and ρ is the density of the fluid. Thus changing pressure of the fluid will not result the change of density of the fluid. Therefore the concept of an incompressible fluid is not valid in relativity.
No, the concept of rigid body is not valid in relativity. A rigid body consists of a number of particles confined to a fixed geometrical shape and size in such a way that the distance between any pair of particles always remains constant due to internal forces between them where deformation is neglected. Perfect rigid bodies do not exist in nature but many solids can be termed as rigid bodies to a fair degree of approximation. Although the perfect rigid bodies cannot not exist in nature due to relativity, but the objects can perfectly rigid if it is not moving with speed of light. Therefore the concept of rigid body is not valid in relativity.
5 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details