Physics
The densest substance on the Earth is ——–.
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Two automobiles are 150 km apart moving towards each other at 60 km/h and 40 km/h. They meet in:
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Air is completely removed from an electric bulb to prevent
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Fahrenheit and centigrade scales agree at________________?
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Minimum wavelength of X-rays reduced by_______________?
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Which atom does not have a neutron?
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The anti-matter is composed of: __________________?
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What sub-class of neutron star is known for its extremely high magnetic field?
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John Napier invented Logarithm in:
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