General Science The age of most ancient geological formations is estimated by Uranium - lead method C14 method Ra - Si method Potassium - argon method Uranium - lead method C14 method Ra - Si method Potassium - argon method ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Thompson Rutherford Bohr Einstein Thompson Rutherford Bohr Einstein ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to 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. Absorption of corresponding wavelengths by the prism used in the photograph. ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic nucleus, neutrons and protons are held together by: Gravitational forces Exchange forces Coulombic forces Magnetic forces Gravitational forces Exchange forces Coulombic forces Magnetic 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
EXAMIANS