Rainbow is an optical and meteorological phenomenon in the form of colorful light parallel to each other in the sky or other medium.……

Posted on 31 January at 20:45

The CRT monitor The CRT (Cathode Ray Tube) monitor is the older version of the present day monitors. They were curved and heavy.……

Posted on 10 December at 10:35

Chlorophyll is a complex compound. It absorbs mainly blue and red portion of……

Posted on 02 June at 11:16

The very high energy rays which are produced by colliding fast moving electrons with heavy metal anode in the discharge tube are called……

Posted on 21 April at 21:12

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