General Science The age of most ancient geological formations is estimated by Ra - Si method Potassium - argon method C14 method Uranium - lead method Ra - Si method Potassium - argon method C14 method Uranium - lead method ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Bohr Rutherford Einstein Thompson Bohr Rutherford Einstein Thompson ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic nucleus, neutrons and protons are held together by: Exchange forces Magnetic forces Gravitational forces Coulombic forces Exchange forces Magnetic forces Gravitational forces Coulombic forces ANSWER DOWNLOAD EXAMIANS APP
General Science 'No two electrons in an atom can have the same set of four quantum numbers' is Bohr's law Aufbau principle Newton's law Pauli's exclusion principle Bohr's law Aufbau principle Newton's law Pauli's exclusion principle ANSWER DOWNLOAD EXAMIANS APP
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