MHT CET · Physics · Wave Optics
A ray of light is incident at polarising angle such that its deviation is \(24^{\circ}\), then angle of incidence is
- A \(24^{\circ}\)
- B \(57^{\circ}\)
- C \(66^{\circ}\)
- D \(90^{\circ}\)
Answer & Solution
Correct Answer
(B) \(57^{\circ}\)
Step-by-step Solution
Detailed explanation
Here, \(i_{p}=r+\delta\)
\(
i_{p}=r+24
\)
Moreover, \(i_{p}+r=90^{\circ}\)
...(ii) From Eqs. (i) and (ii), we get
\(i_{p}+\left(i_{p}-24\right) =90^{\circ}\)
\(\Rightarrow i_{p} =57^{\circ}\)
\(
i_{p}=r+24
\)
Moreover, \(i_{p}+r=90^{\circ}\)
...(ii) From Eqs. (i) and (ii), we get
\(i_{p}+\left(i_{p}-24\right) =90^{\circ}\)
\(\Rightarrow i_{p} =57^{\circ}\)
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 volume of a metal block increases by \(0.225 \%\) when its temperature is increased by \(30^{\circ} \mathrm{C}\). Hence coefficient of linear expansion of the material of metal block isMHT CET 2023 Medium
- The maximum wavelength of radiation emitted by a star is 289.8 nm. Then intensity of radiation for the star is (Given : Stefan’s constant = , Wien’s constant,MHT CET 2019 Medium
- A cylinder contains water upto a height 'H'. It has three orifices \(\mathrm{O}_1, \mathrm{O}_2, \mathrm{O}_3\) as shown in the figure. Let \(V_1, V_2, V_3\) be the speed of efflux of water from the three orifices. Then
MHT CET 2024 Easy - Two identical strings of length ' \(\ell\) ' and '2 \(\ell\) ' vibrate with fundamental frequencies 'N' hertz and '1:5 N' hertz, respectively. The ratio of tensions for smaller length to larger length isMHT CET 2020 Medium
- The refractive index of the medium is \(\mu=\mathrm{A}+\frac{\mathrm{B}}{\lambda^{2}}\), where \(\mathrm{A}\) and \(\mathrm{B}\) are constants and \(\lambda\) is the wavelength of light. The dimensions of \(B\) are same as that ofMHT CET 2020 Easy
- A simple harmonic motion is represented by \(\alpha \frac{d^2 x}{d t^2}+\beta x=0\). Its period isMHT CET 2022 Hard
More PYQs from MHT CET
- Water rises to a height \(10 \mathrm{~cm}\) in a capillary tube. It will rise to a height which is much more than \(10 \mathrm{~cm}\) in a very long capillary tube if the apparatus is kept.MHT CET 2021 Easy
- What is the value of effective atomic number of cobalt in \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) complex if \(\mathrm{Co}(\mathrm{Z}=27)\) ?MHT CET 2023 Medium
- The angle between the curves \(y=\sin x\) and \(y=\cos x 0MHT CET 2022 HardNitric oxide reacts with \(\mathrm{H}_2\) according to reaction, \(2 \mathrm{NO}_{(\mathrm{g})}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{N}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}\), identify the correct relationship among the following.MHT CET 2025 EasyTwo gases A and B are at absolute temperatures 350 K and 420 K respectively. The ratio of average kinetic energy of the molecules of gas \(B\) to that of gas \(A\) isMHT CET 2025 Easy