MEDIUM
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In the Gravesand’s apparatus experiment, three weights (P, Q, and S) are used to demonstrate the parallelogram law of vector addition. If the position of junction O moves closer to its initial position when weights P and Q are disturbed and left free, what does this indicate?
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Important Questions on Experiments Related to Measurements
EASY
Which one of the following statements about the law of conservation of mass is correct?
MEDIUM
In a laboratory experiment, you are tasked with measuring the weight of a given body using the Parallelogram Law of Vector Addition. Two forces act on the body, one with a magnitude of directed eastward and the other with a magnitude of directed northward. What is the resultant force using the Parallelogram Law?
MEDIUM
In a lab experiment using the Parallelogram Law of vector addition to measure the weight of a given body, what is the purpose of arranging the weights on the two pans of the balance in such a way that they are not in a straight line?
MEDIUM
In the Gravesand’s apparatus experiment, what is a potential source of error?
MEDIUM
Which of the following precautions is not necessary when performing a physics experiment involving a board, pulleys, weights, and paper?
EASY
A student has not used a plane mirror while taking observations using Gravesand's apparatus and hence found error in his result. Which one of the following is the correct reason of using a plane mirror while taking observations?
MEDIUM
A graph plotted by a student from his readings on the determination of the Young's modulus of a metal wire is shown below.
What may be the quantities on the X and Y axes respectively?
EASY
Which of the following statements is correct about the dead weight on the auxiliary wire in Searle's apparatus?
