NEET · Physics · STD 12 - 9. Ray optics and optical instruments
Find the value of the angle of emergence from the prism. Refractive index of the glass is \(\sqrt{3}\). (in \(^{\circ}\))

- A \(60\)
- B \(30\)
- C \(45\)
- D \(90\)
Answer & Solution
Correct Answer
(A) \(60\)
Step-by-step Solution
Detailed explanation
\(r_{1}+r_{2}=A=30^{\circ}\) \(r_{2}=30^{\circ}\left(r_{1}=0^{\circ}\right)\)
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
- A molecule of a substance has permanent dipole moment \(p\). A mole of this substance is polarised by applying a strong electrostatic field \(E\). The direction of the field is suddenly changed by an angle of \(60^{\circ} .\) If \(N\) is the Avogadro's number the amount of work done by the field isNEET 2017 Medium
- A pipe open at both ends has a fundamental frequency \(f\) in air. The pipe is now dipped vertically in a water drum to half of its length. The fundamental frequency of the air column is now equal to:NEET 2025 Hard
- An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens ofNEET 2018 Easy
- The angular speed of the wheel of a vehicle is increased from \(360 \;rpm\) to \(1200 \;rpm\) in \(14 \;second\). Its angular acceleration is,NEET 2020 Medium
- In the combination of the following gates the output \(Y\) can be written in terms of inputs \(A\) and \(B\) as
NEET 2018 Hard - An energy of \(484\,J\) is spent in increasing the speed of a flywheel from \(60\,rpm\) to \(360\,rpm\). The moment of inertia of the flywheel is \(.............\,kg - m ^2\)NEET 2022 Easy
More PYQs from NEET
- Treatment of cyclopentanone (image) with methyl lithium gives which of the following species?
NEET 2015 Medium - Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.NEET 2020 Easy
- Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis ? It involves:NEET 2022 Medium
- The electrolytic reduction of nitro benzene in strongly acidic medium producesNEET 2015 Medium
- Two heaters \(A\) and \(B\) have power rating of \(1 \mathrm{~kW}\) and \(2 \mathrm{~kW}\), respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is:NEET 2024 Medium
- Which of the following statements are correct ? \((a)\) Centre of mass of a body always coincides with the centre of gravity of the body \((b)\) Central of mass of a body is the point at which the total gravitational torque on the body is zero \((c)\) A couple on a body produce both translational and rotation motion in a body \((d)\) Mechanical advantage greater than one means that small effort can be used to lift a large loadNEET 2017 Medium