An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
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Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood?
According to Ohm's law, if current (I) increase and potential difference (V) remains constant, then
Which of the following meals is NOT obtained by reduction using carbon?
Which organ is not a gland?
An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be
Which of the following has the same unit as energy?