AP EAMCET · PHYSICS · Ray Optics
Telescope has an objective of focal length \(100 \mathrm{~cm}\) and an eyepiece of focal length \(5 \mathrm{~cm}\). The least distance of distinct vision is \(25 \mathrm{~cm}\). The telescope is focussed for distinct vision on a scale \(3 \mathrm{~m}\) away from the objective. The magnification produced is ____
- A \(-3\)
- B \(1.5\)
- C \(-5\)
- D \(5\)
Answer & Solution
Correct Answer
(A) \(-3\)
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
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
- When a resistance \(R_1\) is connected across a cell, the current is \(I_1\) and if the resistance \(R_1\) is replaced by \(R_2\), the current is \(\mathrm{I}_2\). Then the internal resistance of the cell isAP EAMCET 2023 Medium
- The current passing through a coil of 120 turns and inductance. 40 mH is 30 mA . The magnetic flux linked with the coil isAP EAMCET 2024 Medium
- \(5 \mathrm{~g}\) of steam at \(100^{\circ} \mathrm{C}\) is mixed with \(5 \mathrm{~g}\) of ice at \(0^{\circ} \mathrm{C}\). What is the final temperature of the mixture?AP EAMCET 2021 Medium
- A proton when accelerated through a potential difference of \(V\), has a de-Broglie wavelength \(\lambda\) associated with it. If an \(\alpha\)-particle is to have the same de-Broglie wavelength \(\lambda\), it must be accelerated through a potential difference ofAP EAMCET 2012 Easy
- The retarding potential necessary to stop the emission of photoelectrons, when a target material of work function \(1.24 \mathrm{eV}\) is irradiated with light of wavelength \(4.36 \times 10^{-7} \mathrm{~m}\) isAP EAMCET 2020 Hard
- Two charges \(Q\) and \(4 Q\) are separated by a distance of \(6 \mathrm{~cm}\). The distance of the point from \(4 Q\) at which net electric field is zero isAP EAMCET 2023 Easy
More PYQs from AP EAMCET
- If \(0 \leq x \leq 2 \pi\), then the number of real values of \(x\), which satisfy the equation \(\sin x+\sin 2 x+\sin 3 x+\sin 4 x=0\) isAP EAMCET 2017 Medium
- Match the following
(A) Isothermal process (i) (B) Adiabatic process (ii) (C) Isobaric process (iii) (D) Isochoric process (iv) AP EAMCET 2022 Easy - If the normal drawn at the point \(P\left(\frac{\pi}{4}\right)\) on the ellipse \(x^2+4 y^2-4=0\) meets the ellipse again at \(\mathrm{Q}(\alpha, \beta)\), then \(\alpha=\)AP EAMCET 2025 Medium
- Consider the following two statements
\(Statement I:\) Among \(\mathrm{Mg}, \mathrm{Al}, \mathrm{Mg}^{2+}, \mathrm{Al}^{3+}\) the one having smallest size is \(\mathrm{Al}^{3+}\)
\(Statement II:\) Eu is having exceptionally high atomic radii among lanthanide elements
The correct answer isAP EAMCET 2023 Easy - If \(\sin x \cosh y=\cos \theta\) and \(\cos x \sinh y=\sin \theta\), then \(\sinh ^2 y=\)AP EAMCET 2017 Medium
- If \(a, b\) and \(c\) are the roots of \(x^3+q x+r=0\), then \((a-b)^2+(b-c)^2+(c-a)^2=\)AP EAMCET 2018 Medium