Nuclear sizes are expressed in a unit named ?
A. Tesla B. Force C. Fermi D. Newton Fermi – A unit of length equal to 10-15 meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton.
A. Tesla B. Force C. Fermi D. Newton Fermi – A unit of length equal to 10-15 meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton.
A. Frog B. Earthworm C. Snake D. Crocodile
A. Elliptical B. Spiral C. Irregular D. None of these. Note: The Andromeda Galaxy also know as Messier 31, M31 or NGC 224, is a Spiral galaxy approximately 780 kilo par sec ( 2.5 Million light years ) from earth. Spiral galaxy: a galaxy in which the stars and gas clouds are concentrated mainly in … Read more
A. Black hole B. White dwarf C. Red giant D. Neutron star
A. Mars B. Neptune C. Venus D. None of these
A. Pallas B. Juno C. Ceres D. Trojan In 1801, while making a star map, Italian priest and astronomer Giuseppe Piazzi accidentally discovered the first and largest asteroid, Ceres, orbiting between Mars and Jupiter.
A. 3.7 AU B. 10 AU C. 1 AU D. 101 AU Note : In astronomy, an average astronomical unit is defined as the average distance from the Sun to the Earth, or about 150m KM ( 93 million miles ). You can abbreviate astronomical unit as AU. Since the distance in astronomy are so … Read more
A. Babylonian B. Greek C. Egyptian D. Aztec Note : The Egyptians appear to have been the first to develop a solar calendar, using as a fix point the annual sunrise reappearance of the Dog star– Sirius, or Sothis in the eastern sky, which coincided with annual flooding of the River Nile. They constructed a … Read more
A. Regel B. Canopus C. Sun D. Betelgeuse
A. Arachnology B. Osteology C. Pomology D. None of these Arachnology is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, and harvestmen, collectively called arachnids.