HARD
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Radioactive substance used in dating geological object is

50% studentsanswered this correctly

Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
Nuclear fission is caused by the impact of_____.
HARD
UPSC CAPF AC Paper - I
IMPORTANT

Match the following
     List I                         List II
    (Radioisotope)          (Application)

A. Cobalt-60              1. Leukemia therapy

B. Potassium-40       2. Thyroid therapy

C. Iodine-131            3. Geological dating

D. Phosphorus-32    4. Cancer therapy

E. Carbon-14            5. Archaeological dating

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following statements in a nuclear reactor, self-sustained chain reaction is possible, because

1. more neutrons are released in each of the fission reactions.

2. the neutrons immediately take part in the fission process.

3. the fast neutrons are slowed down by graphite.

4. every neutron released in the fission reaction initiates further fission.

Which of these statements are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT

Which one of the following is correctly matched?
     List I             List II

A. Co-60       1. Circulation of blood

B. I-131        2. Treatment of tumours

C. P-32         3. Leukemia

D. Na-24      4. Treatment of goitre

HARD
UPSC CAPF AC Paper - I
IMPORTANT
Which electromagnetic radiation is emitted by radioactive substances?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following has highest frequency?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Which of the following isotopes of carbon is/are used in carbon dating?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
The function of heavy water in a nuclear reactor is to_____.