For reproducing sound, a CD (Compact Disc) audio player uses a
(a) Quarts crystal
(b) Titanium needle
(c) Laser beam
(d) Barium titanate ceramic
Answer Posted / js
( c ) Laser beam
| Is This Answer Correct ? | 93 Yes | 7 No |
Post New Answer View All Answers
Who is the author of the book 'Half a Life'?
highest depots present in which district
Which city is called Orange city of india ?
state the opposite of asperity?
Tell something about coal- gate scam?
who is first m.d of apsrtc
What is the capital of Lithuania, Libya and UAE?
In the year 2004, where was Olympics held?
Who is the first chief of National Green Tribunal (NGT)?
hello sir ow to i prepare my gk my gk is so week.my i m fill up fourm of delhi police SI post. so plz reply
Do you favor women entrepreneurship? Justify your stand?
who wrote the book "Discovery of India" ?
what is non cenvatable duty? How it can be calculated? Is it difers from item to item?
The part of the Constitution that reflects the mind and ideals of the framers is ? (a) Directive Principles (b)Fundamental Rights (c)Peramble (d)Citizenship
Which of thefollowing groups of people change their house types according to seasons?