Question
Two rays A and B being reflected by a mirror and going as A' and B'. The mirror:
- Is plane.
- Is convex.
- Is concave.
- May be any spherical mirror.
✓
Answer
- Is plane.
Explanation:
Here initially A & B is parallel to each other after reflection by teh plane mirror A' & B' goes Parallel to each other.
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
Which of the following is not the disadvantage of wire wound resistor?
In winter season, a mild spark is often seen when a man touches somebody else's skin. Why?
If 
is the intensity of the principal maximum in the single slit diffraction pattern, then what will be its intensity when the slit width is doubled
|
(a) |
(b) |
(c) 2 |
(d) 4 |
Among the following _____ has the highest retentivity.
A discharge takes place between the two electrodes on applying the electric field to the gas in the discharge tube. The cause of this fluorescence was attributed to?
Identify the process in which an electron escapes from the metal surface.
In a fission process, nucleus A divides into two nuclei B and C, their binding energies being 
and 
respectively. Then
|
(a) |
(b) |
(c) |
(d) |
A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium, if q is equal to
(a) 
|
(b) 
|
(b)
|
(d) 
|
The wavelength of yellow line of sodium is 5896 Å. Its wave number will be
|
(a) 50883 × 1010 per second |
(b) 16961 per cm |
|
(c) 17581 per cm |
(d) 50883 per cm |
In Young's double slit experiment, the interference pattern obtained with white light will be: