Is a sewing needle magnetic or non magnetic?
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Can a vector have a component equal to zero and still have a nonzero magnitude?
What percentage of mind Albert Einstein used ?
Explain the Use of manometer.
sound frequencies below 16 hertz are usually referred to by scientists as:
Is it possible to convert a heat energy into magnetic energy?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
why velocities of x rays and gamma rays are same inspite they have different wavelengths and frequencies
Why dies a stone fall when thrown upward, while a balloon rises up?
how sunlight produce e.m wave in vacuum?
Explain what is the direction of null vector?
What is a Compound ?
When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?