Assertion: The specific charge of positive rays is not constant.
Reason: The mass of ions varies with speed.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
An alpha nucleus of energy $\frac{1}{2}mv^2$ bombards a heavy nuclear target of charge $Ze.$ Then the distance of closest approach for the alpha nucleus will be proportional to
The diagram shows the path of four $\alpha - $ particles of the same energy being scattered by the nucleus of an atom simultaneously. Which of these are/is not physically possible
Which statement about the Rutherford model of the atom is not true?
What is shown by Thomson's experiments of electric discharge through gases ? And explain the plum pudding model.
When the accelerating voltage applied on the electrons increased beyond a critical value