Whose fringe width will be more, the one for red light or the one for yellow light, all other things be the same ?

Whose fringe width will be larger, the one for red light or the one for yellow light, all other things be the same?

Whose fringe width will be larger, the one for red light or the one for yellow light, all other things be the same?

Which light would produce more resolution the red light or the blue one ?

Which light would produce more resolution the red light or the blue one ?

Which of the following diode emits red and yellow light?

The speeds of red light and yelow light are exactly same

The speeds of red light and yelow light are exactly same

A metallic surface ejects electrons when hit by green light but none when hit by yellow light . Will the electrons be ejected if the same surface is hit by red light

A metallic surface ejects electrons when hit by green light but none when hit by yellow light. Will the electrons be ejected if the same surface is hit by red light