1521Every Day ScienceMedium
Dielectric constant of water is?
A60
B
MCQs
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Correct answer
D. 80
Explanation
80 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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D. Oxygen
Explanation
Oxygen is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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A. Exchange forces
Explanation
Exchange forces is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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D. Total internal reflection
Explanation
Total internal reflection is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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B. Pedology
Explanation
Pedology is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Bernoulli’s Principle
Explanation
When we press the top of bottle the pressure at top of the bottle decreases and hence, the velocity of liquid flow increases. Bernoulli’s Principle states that an increase in the speed of a fluid produces a decrease in pressure and that a decrease in the speed of a fluid produces an increase in pressure. The principle states that the total energy of a moving fluid remains constant at all times.
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B. All of above
Explanation
All of above is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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D. Air
Explanation
Combustion can not take place without air. Air contains about 21% by volume of oxygen. Oxygen is essential for combustion to occur.
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B. Earth quacks
Explanation
Earth quacks is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Vitamin A
Explanation
Vitamin A is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.