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