Question
A boy is standing in front of a plane mirror at a
distance of 3 m from it. What is the distance between the boy and his image?Solution
The image formed by a plane mirror is always virtual upright, and of the same shape and size as the object it is reflecting. A virtual image is a copy of an object formed at the location from which the light rays appear to come
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Which of the following is not true about RAM?
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What is a technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an address indicating that the...
Which of the following is a soft copy output device?
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In the context of Windows Explorer, the presence of a plus (+) sign preceding a folder indicates:
Computer memory that temporarily stores information is called the ____.Â
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