Nautical mile is a unit of distance used in:
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Knot is a unit of speed of which of the following?
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Which of the following is used as a moderator in nuclear reactor?
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Which among the following is a positively charged particle emitted by a radioactive element?
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Atoms are composed of:
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In an atomic explosion, enormous energy is released which is due to
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Isotopes are separated by:
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The wavelength of X-rays is of the order of
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Mesons are found in
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Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
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Which of the following shows the masses of the three elementary particles in decreasing order?
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What is the wavelength of visible spectrum?
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Which of the following has a least penetrating power?
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The isotope of uranium capable of sustaining chain reaction is
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The age of most ancient geological formations is estimated by
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Who suggested that most of the mass of the atom is located in the nucleus?
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The dark lines in the solar spectrum are due to
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In an atomic nucleus, neutrons and protons are held together by:
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'No two electrons in an atom can have the same set of four quantum numbers' is stated in
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Q100
Open questionAccording to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called:
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