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