What is the visible part of the Sun ?
Why Radiocarbon is produced in the atmosphere?
It is easier to roll a stone up a sloping road than to lift it vertical upwards, what is the reason behind this?
The absorption of ink by blotting paper involves which phenomenon?
Where was the 14th SAARC Summit held?
In which place 2008 Olympic Games held?
Which films won the award for ‘Best Motion Picture of the Year’ in 79th Annual Academy Awards 2007?