Siphon will fail to work if:
Radiocarbon is produced in the atmosphere as a result of
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:
Nuclear sizes are expressed in a unit named
The absorption of ink by blotting paper involves:
Stars appears to move from east to west because
Metals are good conductors of electricity because:
Rectifiers are used to convert:
Pa(Pascal) is the unit for
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Light from the Sun reaches us in nearly
Which of the following terms is not used in the field of physics?
Planets do not twinkle because
Pick out the scalar quantity