Basic Electricity MCQs

21. Question

Length cannot be measured by




Answer
22. Question

which of the following was the first working laser?




Answer
23. Question

Range of audio-frequencies is




Answer
24. Question

Which of the following relation is wrong




Answer
25. Question

The waves, in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion, is known as




Answer

Leave a Reply