TS EAMCET · Physics · Ray Optics
A point source of light is placed at the focus of a concave mirror. Consider only paraxial rays. The shapes of the wavefronts of incident and reflected lights respectively are
- A spherical, spherical
- B spherical, planar
- C spherical, cylindrical
- D planar, spherical
Answer & Solution
Correct Answer
(B) spherical, planar
Step-by-step Solution
Detailed explanation
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 square coil of side 10 cm having 200 turns is placed in a uniform magnetic field of 2 T such that the plane of the coil is in the direction of magnetic field. If the current through the coil is 3 mA, then the torque acting on the coil isTS EAMCET 2025 Medium
- The position vector of a particle moving in a plane is given by \(\mathbf{r}=a \cos \omega t \hat{\mathbf{i}}+b \sin \omega t \hat{\mathbf{j}}\), where \(\hat{\mathbf{i}}\) and \(\hat{\mathbf{j}}\) are the unit vectors along the rectangular axes \(X\) and \(Y ; a, b\) and \(\omega\) are constants and \(t\) is time. The acceleration of the particle is directed along the vectorTS EAMCET 2018 Easy
- A solid metal sphere released in a vertical liquid column has attained terminal velocity in the downward direction. The magnitudes of viscous force, buoyant force and gravitational force acting on it are \(\mathrm{F}_{\mathrm{v}}, \mathrm{F}_{\mathrm{B}}\) and \(\mathrm{F}_{\mathrm{W}}\) respectively. Then the correct relation between them isTS EAMCET 2023 Easy
- Two tangent galvanometers \(A\) and \(B\) have coils of radii \(8 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) respectively and having resistance of \(8 \Omega\) each. They are connected in parallel with a cell of emf \(4 \mathrm{~V}\) and negligible internal resistance. The deflections produced in the tangent galvanometers \(A\) and \(B\) are \(30^{\circ}\) and \(60^{\circ}\), respectively. If \(A\) has 2 turns, then \(B\) must haveTS EAMCET 2020 Medium
- In two separate collisions, the coefficient of restitutions \(e_1\) and \(e_2\) are in the ratio \(3: 1\). In the first collision the relative velocity of approach is twice the relative velocity of separation, then the ratio between relative velocity of approach and the relative velocity of separation in the second collision isTS EAMCET 2007 Easy
- A thin uniform wire of mass ' \(m\) ' and linear mass density ' \(\rho\) ' is bent in the form of a circular loop. The moment of inertia of the loop about its diameter isTS EAMCET 2024 Easy
More PYQs from TS EAMCET
- If \(W_1\) is the work done in increasing the radius of a soap bubble from ' \(r\) ' to ' \(2 r\) ' and \(W_2\) is the work done in increasing the radius of the soap bubble from ' \(2 r\) ' to ' \(3 r\) ', then \(W_1: W_2=\)TS EAMCET 2025 Medium
- The resistivity of a metal is \(1 \times 10^{-8} \Omega \mathrm{m}\). If it contains \(9 \times 10^{28}\) electrons per \(\mathrm{m}^3\) then the relaxation time of electrons inside the metal is nearly (electron mass \(=9 \times 10^{-31} \mathrm{~kg}\) )TS EAMCET 2022 Easy
- Two convex lenses of focal lengths \(f_1\) and \(f_2\) form images with magnification \(m_1\) and \(m_2\), when used individually for an object kept at the same distance from the lenses. Then, \(f_1 / f_2\) isTS EAMCET 2016 Hard
- In Young's double slit experiment, point \(A\) on the screen has a path difference of \(\lambda\) and point \(B\) on the screen has a path difference of \(\frac{\lambda}{4}\). What is the ratio of the intensities at point \(A\) to \(B\) ?TS EAMCET 2021 Easy
- The magnetic field at point \(P\) of given figure due to carrying of current \(I\) by a conductor of radius \(R\), is
TS EAMCET 2020 Easy - The speed of electromagnetic waves in a medium is \(1.5 \times 10^8 \mathrm{~ms}^{-1}\). If relative permittivity of that medium is 2 , then its magnetic susceptibility is (speed of light in vacuum is \(3 \times 10^8 \mathrm{~ms}^{-1}\) ).TS EAMCET 2023 Medium