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