MEDIUM
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In the Gravesand’s apparatus experiment, what is a potential source of error?
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Important Questions on Experiments Related to Measurements
EASY
Let denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric current, then :
MEDIUM
Which of the following precautions is not necessary when performing a physics experiment involving a board, pulleys, weights, and paper?
MEDIUM
Which of the following is the correct shape of vs graph to study the energy dissipation of a simple pendulum?
EASY
When a simple pendulum oscillates in air it executes simple harmonic motion. Which one of the following quantities decreases with time?
MEDIUM
To study the dissipation of energy of a simple pendulum as it oscillates, which one of the following graphs is drawn?
EASY
Which of the following statements is correct about the dead weight on the auxiliary wire in Searle's apparatus?
MEDIUM
The vs graph for a simple pendulum is found to be almost a straight line. Which one of the following statements must be true?
EASY
Which one of the following statements about the law of conservation of mass is correct?
MEDIUM
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?
EASY
Which one of the following is the shape of the square of amplitude versus time graph, drawn for a simple pendulum?
MEDIUM
To study the damping of an oscillating pendulum, its motion was observed for . The final and initial readings for its amplitude are and respectively. What is the ratio of its final and initial energy?
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Which one of the following graphs is not useful to study the energy dissipation of a simple pendulum?
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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?
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The readings for the amplitude of a simple pendulum must be taken after a couple of swings of the pendulum. Which one of the following is the most appropriate reason for this?
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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?
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Which one of the following factors does not contribute to the damping in an oscillating pendulum?
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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?
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 student performed the activity to study the change in amplitude of an oscillating pendulum with time. For this, he has taken the readings and then repeated them with a paper strip attached to the bob. What is the correct statement about this study?
