Matter, Antimatter and Einstein’s equation

It is my understanding that when antimatter comes in contact with matter that there is nothing left but pure energy. And since energy and matter are interchangeable (E=Mc2) doesn’t that mean you are actually left with all matter and no antimatter...

Ideas on the Origin of Universe

Well, nobody knows it exactly. Physics and other sciences can explain How things go or went, not Why. Althought there is a theory, called the M theory or the 11 dimensions theory, that gives a kind of answer to this: the M theory says that the matter is made of little strings that vibrating give [...]

Question from Thermal Properties of matter

A clock has a pendulum made of brass . The clock record time correctly at 20 degree C. If temp is increased by 10 degree C, the clock will gain or lose time and by how much??? (Shubham Chauhan posted this question) Incoming search terms:properties of m...

Google Guru – A Great Help on the move

Have you heard of Google guru? Users of Google Talk can now get answers to their questions by adding as their friend on Google talk. After adding as friend, you can just chat with guru and ask any question on chat. The answers will appear as reply almost instantly. If you type Weather Trivandrum, a brief report on Trivandrum’s [...]

Third Term Unit Test sample question paper for Class XI CBSE

A Sample test for Third term for Class XI Physics.

This test covers the chapters

  • Properties of Fluids
  • Thermal Properties of matter
  • Thermodynamics

The pattern of the question paper is

  • 5 x 1 mark = 5 marks
  • 5 x 2 marks = 10 marks
  • 5 x 3 marks = 15 marks
  • 2 x 5 marks = 10 marks
  • TOTAL = 40 marks

Click the Link to Download III term UT-physics


Transcript of my chat with a student on DARK MATTER

Mani is online.

hi sir..gud aftrnun


sir..hav u heard of dark matter?


itz said dat its present evrywher in d universe…does it possess mass?

Not Everywhere, Darkmatter is matter which is not seen because they donot emit or reflect any detectable radiations or matter. Their presence is felt by gravity. Just like a blind find that things are there by feeling it. It possesses mass and that is how it is felt

bt its nt made of hw can it b influencd by gravity??

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