What is a Pressure ?
Explain big bang theory?
What is different between secondary electron image and back scattered electron image?
What is the shadows?
What is the proper definition of light?
what is a transducer?? and how it is used in Naval Ships??
i am a student of 10th class ,i like science and maths but i score bad in maths.wat shud i take in future...commerce or science?
A color made from the addition of two primary colors is called:
What is moment of inertia?
Explain about Vacuum Pump?
what is the meltng point of copper?.
Explain about Cosmic rays?
Explain what are wave fronts?