View Single Post
Old Monday, March 08, 2010
omerkhan omerkhan is offline
41st CTP - PSP (1st KPK)
CSP Medal: Awarded to those Members of the forum who are serving CSP Officers - Issue reason: CE 2012 Merit 14
Join Date: Jul 2006
Posts: 37
Thanks: 16
Thanked 65 Times in 18 Posts
omerkhan is on a distinguished road

german silver is alloy of copper, nickel and zinc so the answer is none of these

convection is heat transfer in liquids, so the answer to the first one should be radiation

Sonar uses ultrasound

rainfall is measured by none of these, bcuz its measured by rain guage

twinkling of stars is due to interference, just checked it on wikipedia

escape velocity is 7 miles/sec

these are the ones that I am very sure about.
Reply With Quote
The Following 3 Users Say Thank You to omerkhan For This Useful Post:
Blue-Blooded (Tuesday, January 03, 2012), Riaz Ahmed Alizai (Thursday, April 08, 2010), zarni (Thursday, July 01, 2010)