What is crude?

859

Explain what does gravitational force depend on?

1007

What is granite?

864

How do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

1037

What is neutral buoyancy?

1029

Dear friends..I appeared for ISRO scientist/Engineer SC interview on 2nd December 2009.Any idea about the interview result when it came/comes??

4171

What is gangue in geology?

886

How do geologists find out the age of mountains?

792

What is geophysicists?

854

I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

2251

Physics short answer to two significant figures, what is the index of refraction of air?

1002

What is what are some of the sub-disciplines within the field of geology?

899

Which of the earths interior layers have been drilled and sampled? What are the deepest drilling projects on record?

829

What is formula for finding distance?

1035

What is the difference between free electron theory and band theory of solids?

1025