Match The Following.

Question 14 Marks

1. Radio iron $\left( Fe ^{59}\right)$	(a) treatment of skin diseases
2. Radio phosphorous $\left(P^{32}\right)$	(b) smoke detector
3. Radio gold $\left( Au ^{198}\right)$	(c) diagnose anaemia
4. An isotope of Americium $\left( Am ^{241}\right)$	(d) treatment of skin cancer

Answer

1. (c) diagnose anaemia
2. (a) treatment of skin diseases
3. (d) treatment of skin cancer
4. (b) smoke detector

Question 24 Marks

Answer

1. (d) Hiroshima
2. (c) Nagasaki
3. (a) fusion bomb
4. (b) fission bomb

Question 34 Marks

Answer

1. (e) ${ }_1 H ^2$
2. (d) ${ }_1 H ^1$
3. (b) ${ }_1 H ^3$
4. (c) ${ }_2 H ^4$
5. (a) $-1^{e^0}$

Question 44 Marks

1. Charge of each α particle	(a) γ ray
2. Charge of each β particle	(b) +2e
3. Penetration power is maximum	(c) α ray
4. Ionisation power is maximum	(d) zero

Answer

1. (b) +2e
2. (d) zero
3. (a) γ ray
4. (e) α ray

Question 54 Marks

Answer

1. (b) spontaneous process
2. (d) induced process
3. (a) $3.7 \times 10^{10}$ decay / second
4. (c) $10^6$ decay / second

Science Match The Following.