Question : The first law of thermodynamics is simply the case of:

Option 1: Charle's law

Option 2: Newton's law

Option 3: The law of heat exchange

Option 4: The law of conservation of energy

Question : Which law was proposed in 1811, predicted that the same volume of gases at the same temperature and pressure would have the same number of molecules?

Option 1: Dalton’s law

Option 2: Gay-Lussac’s law

Option 3: Avogadro’s law

Option 4: Charles' law

Question : The Newton's First law is also called as:

Option 1: Law of moments

Option 2: Law of interia

Option 3: Law of energy

Option 4: law of momentum

Question : Why does a cannon recoil after firing?

Option 1: Conservation of energy

Option 2: Backward thrust of gases produced

Option 3: Newton's third law of motion

Option 4: Newton's first law of motion

Question : Which one of the following organisations is directly related to child welfare?

Option 1: UNESCO

Option 2: UNICEF

Option 3: WHO

Option 4: WTO