For what the parabolic dishes are used?
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What is Chemical mixture ?
Explain diffraction?
Describe the Infra-red and Ultra-voilet rays?
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?
Why a capacitor is a voltage sensitive device?
1.The main constitutuents of 'Bronze' are: 2.The element common to all acids: 3.The SI unit of resistance is:
What is the difference between dynamic strain aging and strain aging?
What is time?
What is the Boiling ?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
whether egg or hen came first
What is Electromagnet?