Correct answer
D. Energy
Explanation
Energy is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes:
The working of transistor as amplifier is similar to________________?
When light incident normally on thin film the path difference depends upon ________________?
Which one of the following bulbs has the least resistance ?
Terminal velocity is_____________?
The angular speed of seconds hand of a watch in rads-1 is______________?