Choose the correct alternative from the clues given at the end of each statement: The positively charged part of the atom possesses most of the mass in ...............
(Rutherford's model/ Thomson's model/ both the models.)

Choose the correct alternative from the clues given at the end of each statement: A classical atom based on ............is doomed to collapse

Choose the correct alternative from the clues given at the end of each statement: The size of the atom in Thomson's model is ........................... the atomic size in Rutherford's model. (Much greater than/ no different model/ much less than

Choose the correct alternative from the clues given at the end of each statement: In the ground state of ...........electrons are in stable equilibrium, while in ............. electrons always experience a net force

Choose the correct alternative from those given below each question: Which of the following are the terms of an A.P.?

Choose the correct alternative from those given below each question: Which of the following is quadratic equation?

Choose the correct alternative from those given below each question: What is the degree of the determinant |[a,b],[c,d]| ?

Choose the correct alternative from those given below each question: What is the sum of first n natural numbers?