1.
Which of the following terms is not used in the field of physics?

2.
Radiocarbon is produced in the atmosphere as a result of

3.
It is easier to roll a stone up a sloping road than to lift it vertical upwards because

4.
The absorption of ink by blotting paper involves:

5.
Siphon will fail to work if:

6.
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

7.
Nuclear sizes are expressed in a unit named

9.
Mirage is due to:

10.
Light from the Sun reaches us in nearly