TS EAMCET · Physics · Mathematics in Physics
Consider a series of measurements of the length of a box in an experiment. The readings are \(2.4 \mathrm{~m}, 2.5 \mathrm{~m}, 2.6 \mathrm{~m}, 2.8 \mathrm{~m}\), \(3.0 \mathrm{~m}\). What would be the relative error?
- A 0.11
- B 0.089
- C 0.079
- D 0.072
Answer & Solution
Correct Answer
(D) 0.072
Step-by-step Solution
Detailed explanation
Given that, number of observations, \(n=5\) \(\begin{aligned} & a_1=2.4 \mathrm{~m}, a_2=2.5 \mathrm{~m}, a_3=2.6 \mathrm{~m}, a_4=2.8 \mathrm{~m}, \\ & a_5=3.0 \mathrm{~m} \end{aligned}\) Mean value of observations,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- The displacement equations of sound waves produced by two sources are given by \(y_1=5 \sin 400 \pi t\) and \(y_2=\) \(8 \sin 408 \pi t\), where ' \(t\) ' is time in seconds. If the waves are produced simultaneously, the number of beats produced per minute isTS EAMCET 2024 Medium
- A police party is moving in a jeep at a constant speed \(v\). They saw a thief at a distance \(x\) on a motorcycle which is at rest. The moment the police saw the thief, the thief started at constant acceleration \(a\). Which of the following relations is true if the police is able to catch the thief?TS EAMCET 2011 Hard
- Two metal wires \(A\) and \(B\) have length \(L\) and \(3 L\) respectively. The radius of cross-sectional circular area of wire \(A\) and \(B\) are \(R\) and \(2 R\), respectively. These wires are joined end to end along their axis. When one end of the combined system is fixed and other end is pulled with a constant force \(F\), the elongation in both the wires is equal. If \(Y_A\) and \(Y_B\) are Young's modulus of wire \(A\) and \(B\), then the \(Y_B / Y_A\) isTS EAMCET 2020 Easy
- A projectile is fired at an angle of \(45^{\circ}\) with the horizontal. Elevation angle of the projectile at its highest point as seen from the point of projection isTS EAMCET 2020 Easy
- 5 moles of Hydrogen \(\left(\gamma=\frac{7}{5}\right)\) initially at S.T.P. are compressed adiabatically so that its temperature becomes \(400^{\circ} \mathrm{C}\). The increase in the internal energy of the gas in kilo-joules is \[ \left(R=8.30 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right) \]TS EAMCET 2002 Medium
- A solenoid has a core of material with relative permeability The windings of the solenoid are insulated from the core and carry a current of If the number of turns are per metre. The magnetization in isTS EAMCET 2021 Easy
More PYQs from TS EAMCET
- A coil of wire of radius \(r\) has 600 turns and a self inductance of \(108 \mathrm{mH}\). The self inductance of a coil with same radius and 500 turns isTS EAMCET 2014 Easy
- The fundamental frequency of transverse wave of a stretched string subjected to a tension \(\mathrm{T}_1\) is 300 Hz. If the length of the string is doubled and subjected to a tension of \(\mathrm{T}_2\), the fundamental frequency of the transverse wave in the string becomes 100 Hz, then \(\mathrm{T}_2: \mathrm{T}_1=\)
(Linear density of the string is constant)TS EAMCET 2025 Medium - Two moles of a gas is expanded to double its volume by two different processes. One is isobaric and the other is isothermal. If \(W_1\) and \(W_2\) are the works done, respectively thenTS EAMCET 2016 Easy
- In a photoelectric experiment three different lights are incident on a metal of work function \(1.5 \mathrm{eV}\). Light \(A\) is \(200 \mathrm{~nm}\) wavelength with intensity \(1.8 \mathrm{~W} / \mathrm{m}^2\), light \(B\) is \(400 \mathrm{~nm}\) with \(1 \mathrm{~W} / \mathrm{m}^2\) and light \(C\) is \(600 \mathrm{~nm}\) with \(0.5 \mathrm{~W} / \mathrm{m}^2\). The current versus voltage is measured. Which graphs correspond to which light?
TS EAMCET 2021 Easy - A capacitor of capacitance is charged to a potential difference of with a battery. The battery is then removed and in its place another capacitor of capacitance is introduced and the circuit is closed. The potential difference attained by each of the capacitors in isTS EAMCET 2019 Easy
- Two cells \(A\) and. \(B\) are connected in the secondary circuit of a potentiometer one at a time and the balancing length are respectively \(400 \mathrm{~cm}\) and \(440 \mathrm{~cm}\). The emf of the cell \(A\) is 1.08 volt. The emf of the second cell \(B\) in volts isTS EAMCET 2004 Medium