Question
Which of the following statements is true when we see
'rainbow'?Solution
We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindropandreturntooureyes.Arainbowisan optical and meteorological phenomenon that is causedbyreflectionoflightinwaterdropletsin the Earth's atmosphere, resulting in a spectrum of light appearing in the sky.
What is the shortcut for bold text in most of the word processors?
Which of the following is the main function of the Central Processing Unit (CPU) in a computer?
Which port is used for the printer/scanner?
_________is collection of web pages and _______ is the very first page that we see on opening of a website.
The unit for measuring the resolution of a monitor is______________
Software for originating storage retrieval of information is a (n)
In Windows computer, the deleted files are transferred to
An unsolicited e-mail message sent to many recipients at once is a
First Super Computer developed in India was _____
MIME is an acronym for ....