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