Who did first record the sound?
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What type(amount) of capacitors are used in fan?
dear sir i need rrb chennai Section engineer S & T for last 2 year question papers. Plz send my email id is gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com
Explain the applications of nmr spectroscopy?
What is Suspension ?
Why is one?s breath visible in cold, but not in not in hot weather ?
why we use Transistor?
does plane mirror produce real image?how?
Explain the Modes of Transfer of Heat ?
Write Boyle’s law ?
What is a positron?
what is nano science
i am preparing for ssc exam.plz send me the last five years question papers to my id