Pick the correct statements regarding the uses of radioactivity.
A
β-particles are used as projectiles in nuclear reactors.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Radioactive tracers are used in detecting blood clots.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
136C is used to estimate the age of fossils.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Radiation is used to remove unwanted accumulated electric charge in machinery.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct options are B Radioactive tracers are used in detecting blood clots. D Radiation is used to remove unwanted accumulated electric charge in machinery. Some of the uses of radioactivity and radioactive substances are:
Tracers such as radioactive salts of sodium and iodine are used to detect tumours and blood clots in bodies.
α and β rays are used to remove any unnecessary accumulated charge on machinery in factories and industries.
The carbon - 14 isotope, 146C is used to estimate the age of archaeological entities such as rocks and fossils in a process known as carbon dating.
α - particles are used as projectiles to initiate nuclear reactions in atomic energy reactors.