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The correct answer is B
Water gets cooled, when ice is immersed in it, this phenomenon is known as
What characteristic makes metals good conductors of electricity?
Which of the following dyes is used for colouring Paper and typewriters?
What device is primarily used to convert alternating current (AC) into direct current (DC)?
Water gets cooled, when ice is immersed in it. It is because of the phenomenon of
Which Instrument is used to measure depth of ocean?
What conditions must be met for stationary waves to form?
The instrument which uses sound waves to measure the depth of oceans is –
Which of the following Instrument is used to measure humidity?
How does an earphone convert electrical signals into sound?
