According to the Equation of Continuity in fluid dynamics, when water flows through a pipe of varying cross-section, the velocity of the fluid is: MCQ with Answer and Explanation
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Question #1
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If the length of a simple pendulum is quadrupled (increased by a factor of 4), what happens to its time period?
Correct Answer: Option A
Explanation:
The time period of a simple pendulum is given by T = 2π√(L/g), where L is the length of the string and g is acceleration due to gravity. The time period is directly proportional to the square root of the length (T ∝ √L). If L becomes 4L, the new time period T' = √4 = 2 times the original. It doubles.
The time period of a simple pendulum is given by T = 2π√(L/g), where L is the length of the string and g is acceleration due to gravity. The time period is directly proportional to the square root of the length (T ∝ √L). If L becomes 4L, the new time period T' = √4 = 2 times the original. It doubles.
Question #2
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Which of the following uses the principle of electromagnetic induction?
Question #3
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In a nuclear reactor, the function of a moderator is to
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