Which of the following is a radioactive substance?
A
Uranium
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Radium
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Thorium
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
All of the above
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D All of the above Substances which disintegrate (or decay) by the spontaneous emission of radiations are called the radioactive substances. Eq. Uranium, radium, polonium, thorium, actinium etc.