Which one of the following is a correct electronic configuration of sodium? (a) 2,8 (b) 8,2,1 (c) 2,1,8 (d) 2,8,1.
09/11/2024
Science
9th
Waves And Oscillation
What is the Doppler effect? Give an example.
09/11/2024
Physics
11th (Science)
Waves And Oscillation
Explain the principle of superposition of waves
09/11/2024
Physics
11th (Science)
Waves And Oscillation
What is the relationship between frequency and wavelength in wave motion?
09/11/2024
Physics
11th (Science)
Waves And Oscillation
What is the relationship between frequency and wavelength in wave motion?
09/11/2024
Physics
11th (Science)
Waves And Oscillation
Define simple harmonic motion (SHM) and give its characteristics.
09/11/2024
Physics
11th (Science)
Structure of the atom
Number of valence electrons in Cl– ion are: (a) 16 (b) 8 (c) 17 (d) 18
09/11/2024
Science
9th
Structure of the atom
Isotopes of an element have (a) the same physical properties (b) different chemical properties (c) different number of neutrons (d) different atomic numbers.
09/11/2024
Science
9th
Structure of the atom
Rutherford’s alpha-particle scattering experiment was responsible for the discovery of (a) Atomic Nucleus (b) Electron (c) Proton (d) Neutron
