(A) 21st August 2021
(B) 21st September 2021
(C) 21st August 2022
(D) 21st October 2022
Answer: (D) 21st October 2022
(A) 21st August 2021
(B) 21st September 2021
(C) 21st August 2022
(D) 21st October 2022
Answer: (D) 21st October 2022
(A) 40 years
(B) 48 years
(C) 60 years
(D) 68 years
Answers: (D) 68 years
(A) Sri Lanka
(B) Pakistan
(C) India
(D) Afghanistan
Answer: (A) Sri Lanka
(A) Pakistan
(B) India
(C) Bangladesh
(D) United Arab Emirates
Answer: (D) United Arab Emirates
(A) Pascal
(B) Energy
(C) Angstran
(D) Becquerels
Answer: (D) Becquerels
A material’s radioactivity is measured in becquerels (Bq, international unit).