Question
Can mirrors give rise to chromatic aberration?
✓
Answer
No,
For all colour Ray focal length is $\frac{\text{R}}{2}$ so for all rays image is formed at same point hence no chromatic aberration.
For all colour Ray focal length is $\frac{\text{R}}{2}$ so for all rays image is formed at same point hence no chromatic aberration.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A satellite revolves round the earth. Air pressure inside the satellite is maintained at 76cm of mercury. What will be the height of mercury column in a barometer tube 1m long placed in the satellite?
Value of $B$ depends on the value of $r$ Value of B decreases when $r$ increases. If $r=\infty$, then what will be the value of magnetic field B?
→If a point charge is rotated in an arc of radius r around a charge q, what will be the work done? Explain.
Write expression for speed of electro-magnetic waves in a medium.
Name the crystal structure of intrinsic semiconductor.
Two charged particles having charge $2.0 \times 10^{-8}C$ each are joined by an insulating string of length $1m$ and the system is kept on a smooth horizontal table. Find the tension in the string.
→A charge 'q' is placed at the centre of a cube of side l.What is the electric flux passing through each face of the cube?
For the telescope described in, what is the separation between the objective lens and the eyepiece?
Some of $\alpha$-particles out of $\alpha$-particles incident on gold foil, returned back to their path after scattering. Give the reason.
→Select one donor impurity from the following : Boron (B), Aluminum (Al) and Arsenic (As).