In a concave mirror when the object is placed at infinity which of the following applies to the image?
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Which of the following meals is NOT obtained by reduction using carbon?
According to Ohm's law, if current (I) increase and potential difference (V) remains constant, then
A unit of power is called a
Which organ is not a gland?
____ is the process in which acids and bases react to form salts and water.
___ is known as a disease mostly caused by occupational health hazards.
An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is