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What Advantage Does Thorium Hold Over Uranium?

To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context, what advantage does thorium hold over uranium?

1. Thorium is far more abundant in nature than uranium.

2. On the basis of per unit mass of mined mineral, thorium can generate more energy compared to natural uranium.

3. Thorium produces less harmful waste compared to uranium.

Consider the following statements : If there were no phenomenon of capillarity

1. it would be difficult to use a kerosene lamp

2. one would not be able to use a straw to consume a soft drink

3. the blotting paper would fail to function

4. the big trees that we see around would not have grown on the Earth

Which of the statements given above are correct?(2012)

a) 1, 2 and 3 only

b) 1, 3 and 4 only

c) 2 and 4 only

d) 1, 2, 3 and 4

ANswer: B

Bloating paper, kerosene lamp and plants perform capillary action for their functioning, while straw works based on external pressure generated.

June 2023