Post Utme Physics Questions
Question 266:
The equation
\({ }_{62}^{150} X \rightarrow{ }_{63}^{150} Y+k+\) energy
represents
View Answer & Explanation\({ }_{62}^{150} X \rightarrow{ }_{63}^{150} Y+k+\) energy
represents
Question 267:
Which of the following radiations cannot be deflected by an electric field or magnetic field?
(i) \(\alpha\) - rays (ii) \(\beta\) - rays (iii) \(\gamma\) - rays (iv) \(x\)-rays
View Answer & Explanation(i) \(\alpha\) - rays (ii) \(\beta\) - rays (iii) \(\gamma\) - rays (iv) \(x\)-rays
Question 268:
The half - life of a radioactive element is 9 days. What fraction of atoms has decayed in 36 days?
View Answer & Explanation