CUET · PHYSICS · PYQ PAPER 2025
Which of the following are true for optical instruments?
(A) A simple microscope is a converging lens of large focal length.
(B) A telescope is used to provide angular magnification of distant objects.
(C) The objective lens of a telescope has a smaller focal length than the eyepiece.
(D) The magnifying power of a telescope is the ratio of the focal length of the objective lens
to the focal length of the
eyepiece.
(E) A simple microscope is a converging lens of small focal length
Choose the correct answer from the options given below :
- A (A), (B) and (C) only
- B (B), (C) and (D) only
- C (B), (D) and (E) only
- D (A), (B), (C) and (D) only
Answer & Solution
Correct Answer
(C) (B), (D) and (E) only
Step-by-step Solution
Detailed explanation
Statements (B), (D), and (E) are true. Therefore, the correct choice is (B), (D) and (E) only.
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
- If the two waves of intensities \( I_1 \) and \( I_2 \) pass through the region in the same direction and at the same time, the sum of the maximum and minimum intensities is :CUET 2023 Medium
- In the equation \( P = \frac{E}{c} \), where \( P \) is momentum, \( E \) is energy and \( c \) is the speed of light, this equation is valid in which of the following cases:CUET 2023 Hard
- The resistivity of a potentiometer wire is \( 10^{-7} \, \Omega \text{ m} \) and its cross-section area is \( 10^{-6} \text{ m}^2 \). When a current of 0.1 A flows through the wire, its potential gradient is :CUET 2023 Easy
- The following that is not transported by Electromagnetic waves is :CUET 2023 Medium
- In a hydrogen atom an electron makes a transition from \( n_1 \rightarrow n_2 \), where \( n_1 \) and \( n_2 \) are the principal quantum numbers of the two states. Assuming Bohr's model to be valid, if the time period of the electron in the initial state is eight times that in the final state, the possible values of \( n_1 \) and \( n_2 \) are:CUET 2023 Easy
- A 50 W, 100 V bulb is to be used on a 200 V, 50 Hz a.c. supply. Calculate the inductance of inductor used so that the bulb glows with normal brightness.CUET 2025 Easy
More PYQs from CUET
- If \(\vec{a}, \vec{b}\) and \(\vec{c}\) are three vectors such that \(\vec{a}+\vec{b}+\vec{c}=\overrightarrow{0},|\vec{a}|=7,|\vec{b}|=3\) and \(|\vec{c}|=5\), then angle between \(\vec{b}\) and \(\vec{c}\) isCUET 2025 Hard
- The order of the following reaction will be :
\(2FeCl_3 + SnCl_2 \rightarrow 2FeCl_2 + SnCl_4\)CUET 2023 Medium - The magnetic field lines are completely expelled from a material when ( \(\chi\) is the susceptibility and \(\mu_r\) is relative permeability)CUET 2023 Medium
- The number of all possible matrices of order \(2 \times 2\) with each entry \(0,1,2\), and 3 is:CUET 2023 Easy
- The differential equation \(x \frac{d y}{d x}-y=x^2\) has the general solution:CUET 2023 Easy
- Solution of differential equation \(x d y-y d x=0\) represents :CUET 2023 Medium