Which of the following elements will most likely be shiny and malleable?

Rank the circuits below according to the brightness of the bulbs, from brightest to dimmest. Or, do they have the same brightness? Chapter8_question_pic.png

A certain element emits 1 alpha particle, and its products then emit 2 beta particles in succession. The atomic number of the resulting element is changed by

The atomic number of an element matches the number of

Compared with the primary rainbow, the secondary bow

When a pair of charged spheres are brought closer together, the force between them increases.

In which branch ( Among A, B and C)  does the greatest amount of current flow?  [ Branch A has 3 ohm of Resistance, Branch B has 2 ohm of Resistance and Branch C has 1 ohm of Resistance] B Question_chap8_2.png

Electric power, like all forms of power, is measured in

The image below shows a beam of radiation passing between two electrically charged plates.  Which of the beams is due to a high energy electron?

Interference is a property of