What is speed of sound at sea level?
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Two parallel beams of electrons are moving in the same direction. Does they repel or attract each other?
If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
What is Soldering ?
what is the difference between opticalzoom,dizitalzoom and smartzoom
Explain the Washing soda ?
What is the Electro magnet ?
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
Can a solid and liquid together be possible?
Why dies the earth move round the sun, and the moon round the earth ?
Explain how do fireworks turn into shapes like hearts and stars?
Explain the law of machines?
Why so coloured clothes sometimes fade in sunlight ?