Ask a Question  | Answer a Question!  | 

 Submitting your question... 
 
 
ResFinder - Thousands of Practice Papers
MeGA doubt:
speed of sound depends on the density of the medium in which it propagates..
as density decreases speed increases
as we all know water is denser than air..( i think it is)
but the speed of sound is much higher in water than in air? why???  | 
  | 
| asked by Roshan Geo Roy (yoboyyy) 8 years ago  | 
3  | 
Do we need to do derivations in calorimeter chapter  | 
  | 
| asked by satwindersingh333 8 years ago  | 
1  | 
Electromagnetic rays for detection of metals? 
X or Gamma?  | 
  | 
| asked by  (heisenberg69) 8 years ago  | 
2  | 
If gravity is attractive then why did the big bang occur and why is the universe expanding?
(Is it dark energy)  | 
  | 
| asked by Catlover (catlover) 8 years ago  | 
2  | 
WHAT IS PHI (YEAH ITS OUT OF SYLLABUS)
BUT DOES ANYONE KNOW THE STORY OF IT/ITS VALUE?  | 
  | 
| asked by Illuminati (xxskullkingxx) 8 years ago  | 
1  | 
Why does an empty test tube placed inside water shine like a mirror?  | 
  | 
| asked by Ansh Thamke (ansh_cr7) 8 years ago  | 
2  | 
Just want to confirm. On which principles do the dc motor and ac generator based.  | 
  | 
| asked by Shivaanee sharma (shivaanee22) 8 years ago  | 
1  | 
What derivations can be asked?  | 
  | 
| asked by Ronaldo (techtoicsaf) 8 years ago  | 
2  |