(a) Which metal did Rutherford select for his α particle scattering experiment and why?
(b) What do you think would be the observation of α− particle scattering experiment if carried out on
(i) heavy nucleus like platinum
(ii) light nuclei like lithium.
What is the chemical formula ? What is the rule for writing a formula correctly ?
What is the formula of magnification and when to use the formula of magnification and formula of mirror