LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
energy can not be created or destroyed
A
true
B
false
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The law of conservation of energy states that the total energy of an isolated system remains constant-it is said to be conserved over time. Energy can neither be created nor destroyed; rather, it transforms from one form to another. Hence the statement is correct.

Detailed explanation-2: -Energy can neither be created nor destroyed i.e. the total energy of the universe remains constant; however, it transforms from one form to another. The same phenomena apply when we burn a candle, chemical energy of wax is converted to light energy and heat energy.

Detailed explanation-3: -A key stage in the development of the modern conservation principle was the demonstration of the mechanical equivalent of heat. The caloric theory maintained that heat could neither be created nor destroyed, whereas conservation of energy entails the contrary principle that heat and mechanical work are interchangeable.

Detailed explanation-4: -Matter makes up all visible objects in the universe, and it can be neither created nor destroyed.

There is 1 question to complete.