1. Ni
2. Po
3. Co
4. Rn
Co
1. decreases
2. increases
3. remains same
4. may increase or decrease
increases
1. α-rays
2. β-rays
3. γ-rays
4. all the above
α-rays
1. 1/2 of the original amount
2. 1/4 of the original amount
3. 1/8 of the original amount
4. 1/16 of the total amount
1/8 of the original amount
1. 84
2. 211
3. 215
4. 213
211
1. 300 days
2. 10 days
3. 100 days
4. 1000 days
100 days
1. Cadmium
2. Uranium carbide
3. deutron
4. Heavy water
Cadmium
1. Nuclear energy is the result of conversion of
2. protons to neutrons
3. protons to neutrons and electrons
4. mass into energy
protons to neutrons and electrons
1. 1 day
2. 2 days
3. 3 days
4. 4 days
3 days
1. 12
2. 24
3. 32
4. 48
32