State which of the following statement is true ?

State which of the following statements is true?

State which of the following statements is true:

State which of the following statements is true for an ideal solution.

State which of the following statements is true for an ideal solution.

The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true ?

The elctron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true ?

The electron in a hydrogen atom makes a transition from an excited stateto the ground state. Which of the following statements is true ?

By observing the above number line (Fig. 1.2), state which of the following statements is true.