GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT mechanical energy?
A
Pedaling a bike
B
Rowing a boat
C
Turning on a light bulb
D
Running up a hill
Explanation: 

Detailed explanation-1: -Light bulbs turn electrical power into light. Motors and generators turn electrical power into mechanical power and back, respectively. Keeping track of how electrical power is transferred and transformed is essential to making energy-efficient technologies.

Detailed explanation-2: -Electricity. Electrical energy travels easily through wires. It is the energy we use to power the devices in our homes, such as televisions and lights.

Detailed explanation-3: -Light is a form of electromagnetic radiation and a non-mechanical wave. It does not require a material as a medium for propagation. Hence, it can travel through space.

There is 1 question to complete.