Atoms, Radioactivity & Nuclear Science Test Online

1. The main important feature of neutron bomb is that when it is dropped on a city, it would damage ?

2. In an atomic explosion, enormous energy is released which is due to the ?

3. The neutral atom's two isotopes differ in the number of ?

4. Atoms are composed of ?

5. Which of the following elements is not- radioactive ?

6. Which of the following is used as a moderator in nuclear reactor ?

7. Atom bomb is based on the principle of ?

8. Nuclear fission is caused by the impact of ?

9. The isotope of uranium capable of sustaining chain reaction is ?

10. What is the wavelength of visible spectrum ?      A°

11. Who suggested that most of the atom is located in the nucleus ?

12. Which of the following colours in the visible spectrum has maximum range ?

13. Which among the following is a positively charged particle emitted by a radioactive element ?

14. Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material ?

15. Isotopes are separated by ?