General Science The age of most ancient geological formations is estimated by Ra - Si method Uranium - lead method Potassium - argon method C14 method Ra - Si method Uranium - lead method Potassium - argon method C14 method ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Einstein Bohr Rutherford Thompson Einstein Bohr Rutherford 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. 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. Destructive interference between waves of certain definite wavelengths. ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic nucleus, neutrons and protons are held together by: Gravitational forces Magnetic forces Exchange forces Coulombic forces Gravitational forces Magnetic forces Exchange 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 Newton's law Bohr's law Pauli's exclusion principle Aufbau principle Newton's law Bohr's law Pauli's exclusion principle Aufbau principle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS