Which waves are used in sonography?
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What generates seismic waves?
Draw a graph between frequency of photon and velocity of photo electron?
Why ate some clocks slow in summer and fast in winter ?
why we use Transistor?
Explain what is relation between magnetic and electricity and why?
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
what is the importance of frequency?
Will a dc motor actually produce voltage if it is spun in reverse?
I want to prepare a frequency generator. the specifications i.e. output requirements are 12V, 1-10A & frequency upto 1K to 5K. Please, inform me with proper circuit dig. & the component values.
Explain how many femtometers are in a nanometer?
Explain the characteristics of dead stars?
What is the name for the physical constant with a value of 6.62 x 10-27 erg seconds?