MCQ
Which of the following aberrations will NOT occur for spherical mirrors?
- ✓Chromatic aberration
- BComa
- CDistortion
- DSpherical aberration
✓
Answer
Correct option: A.
Chromatic aberration
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
When radio waves from transmitting antenna reach the receiving antenna directly or after reflection in the ionosphere, the wave propagation is called ………………
Time period of revolution of a satellite around a planet of radius R is T. Period of revolution around another planet whose radius is 3R is
The waves used by artificial satellites for communication purposes are
If $\omega_E$ and \[\omega_H\] are the angular velocities of the earth rotating about its own axis and the hour hand of the clock respectively, then
→Consider the following statements about the blocks shown in the diagram that are being pushed by a constant force on a frictionless table
(i) All blocks move with the same acceleration
(ii) The net force on each block is the same
Which of these statements are/is correct?
(i) All blocks move with the same acceleration
(ii) The net force on each block is the same
Which of these statements are/is correct?
Force between two charges separated by a certain distance in air is F. If each charge is doubled and the distance between them is also doubled, force would be
A string of length $L$ and force constant $K$ is stretched to obtain extension $l$. It is further stretched to obtain extension $l_1$. The work done in second stretching is
→Three blocks with masses m, 2m and 3m are connected by strings, as shown in the figure. After an upward force F is applied on block m, the masses move upward at constant speed v. What is the net force on the block of mass 2 m? (g is the acceleration due to gravity)
A couple produces
A shell is fired at an angle of $30^{\circ}$ to the horizontal with velocity 196 m/s. The time of flight is
→