Question
Which of the following is the best conductor of
electricity?Solution
Sea water is a "good" conductor. It has a resistance and resistance increases by distance. So if you dip a very high voltage electric wire in the ocean, the area around it (even 100 meters or more based on how high it is) gets electric.
A fish is at a depth d below the surface of a water tank. A cat observes the fish from air. Due to refraction at water-air interface, the apparent depth...
Chemical equation is balanced according to the law of
Presbyopia is a visual defect caused by:
Which of the following is an example of a plant which reproduce through its buds?
Glycol is used to manufacture which of the following?
Which of the following is the hardest substance known?
What is the name of the outermost layer of the Earth?
A bomb at rest explodes into two pieces of unequal masses. Which of the following is necessarily true about the motion of the fragments?
Which of the following elements have the lowest and highest boiling point in the Periodic table?
Which of the following is a cell surface receptor?
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