Question
Wave front means:

Answer

  1. All particles in it have same phase.
Explanation:
It is the imaginary surface representing corresponding points pf a wave that vibrate in unison. When identical waves having a common origin travel through a homogeneous medium, the corresponding crests and troughs at any instant phase.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In a beryllium atom, if $a_0$ be the radius of the first orbit, then the radius of the second orbit will be in general
A coin kept in a container and not visible can be viewed by pouring water into the container. It happens because of the:
A boat is moving due east in a region where the earth's magnetic field is $5.0 \times 10^{-5}NA^{-1}m^{-1}$ due north and horizontal. The boat carries a vertical aerial $2m$ long. If the speed of the boat is $1.50\ ms^{-1},$ the magnitude of the induced emf in the wire of aerial is:
A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm. The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be(a) 1 mm(b) 2 mm (c) 4 mm  (d) 5 mm
       
Electron-volt (eV) is the measure of:
A bar magnet has coercivity $4 \times 10^3 Am^{-1}.$ It is desired to demagnetise it by inserting it inside a solenoid $12 \ cm$ long and having $60$ turns. The current that should be sent through the solenoid is
Two bulbs each marked 100 W, 220 V are connected in series across 220 V supply. The power consumed by them, when lit, is
In Geiger-Marsden scattering experiment, the trajectory traced by an a-particle depends on:
The range of a projectile fired at an angle of 15° is 50m. If it is fired with the same speed at an angle of 45°, its range will be:
  1. 25m
  2. 37m
  3. 50m
  4. 100m.
When a plane mirror is placed horizontally on a level ground at a distance of 60 m  from the foot of a tower, the top of the tower and its image in the mirror subtend an angle of 90°  at the eye. The height of the tower will be(a) 30 m  (b) 60 m(c) 90 m  (d) 120 m