General Science The age of most ancient geological formations is estimated by Ra - Si method C14 method Uranium - lead method Potassium - argon method Ra - Si method C14 method Uranium - lead 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? Bohr Einstein Rutherford Thompson Bohr Einstein 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. Destructive interference between waves of certain definite wavelengths. 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. Absorption of corresponding wavelengths by the prism used in the photograph. Destructive interference between waves of certain definite wavelengths. 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: Magnetic forces Gravitational forces Coulombic forces Exchange forces Magnetic forces Gravitational 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 Aufbau principle Bohr's law Newton's law Pauli's exclusion principle Aufbau principle Bohr's law Newton's law Pauli's exclusion principle ANSWER DOWNLOAD EXAMIANS APP