Embibe Experts Solutions for Chapter: Solved Science Paper-2, Exercise 1: Exercise

Splitting of spectral lines in an electric field is called:

The ${\mathrm{Li}}^{2+}$ ion is a hydrogen like ion that can be described by the Bohr model. Calculate the Bohr radius of the third orbit and calculate the energy of an electron in$4^{\mathrm{th}}$ orbit.
 

The radioactive element in group $2$ is:

How do you appreciate the special nature of Inert gases?

Show the formation of image with a ray diagram when an object is placed on the principal axis of a concave mirror away from the centre of curvature.

How will you concentrate gold ores? How is it obtained back?

Eric, when playing in his backyard found a white powdery deposit on the walls somewhere. He examined it closely and found that these were the white crystals but make the wall looked unattractive. What are those white crystals?

Which among the following always produces a virtual and diminished image?