When a compact disc is illuminated by a ...

When a compact disc is illuminated by a source of white light,colured lines are observed.This is due to

dispersion

diffraction

interference

refraction

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

WAVES OPTICS
AAKASH SERIES|Exercise EXERCISE -IA (POLARASATION)|29 Videos
WAVES OPTICS
AAKASH SERIES|Exercise EXERCISE -IA (SATEMENT TYPE QUESTIONS)|12 Videos
WAVES OPTICS
AAKASH SERIES|Exercise EXERCISE -IA|54 Videos
WAVES
AAKASH SERIES|Exercise EXERCISE-III (Doppler effect :)|15 Videos

Similar Questions

Explore conceptually related problems

When a compact disc is illuminated by a source of white light, coloured lines are observed. This is due to

In a Young's double slit experiment performed with a source of white light, only black and white fringes are observed.

What type of wave front is associated with a line source of light?

A photo-cell is illuminated by a source of light which is placed at a distance d from the cell . If the distance become d/2 . Then number of electrons emitted per seconed will be

A photoelectric cell is illuminated by a point soures of light 1 m away. When the soures is shifted to 2 m then

Statement I: In Young's experiment, the fringe width for dark fringes is different from that of white fringes. Statement II: In Young's doulbe-slit experiment, when the fringes are observed with a source of white light then only black and bright fringes are observed.

In Young's double slit experiment, if the two slits are illuminated with separate sources, no interference pattern is observed because

Assertion:- If an object placed on the optic axis of a lens is illuminated by white light, then image formed will be coloured and not exactl white. Reason:- The lens has different focal length sfor different colours.

A point source of light is placed at a depth of h below the surface of water of refractive index mu . A floating opaque disc is placed on the surface of water so that light from the source is not visible from the surface. The minimum diameter of the disc is

AAKASH SERIES-WAVES OPTICS-EXERCISE -IA (DIFFRACTION)

Both light and sound waves suffer diffraction. Why it is more difficul...
Text Solution
|
The silver lining surrounding the profile of a mountain just before su...
Text Solution
|
When a compact disc is illuminated by a source of white light,colured ...
Text Solution
|
Which of the following statements is correct
Text Solution
|
Bright colours exhibited by spider.s web, exposed to sunlight are due ...
Text Solution
|
A plane wavefront is divided into a number of half period zones as per...
Text Solution
|
Which element is the lightest of all other solid elements ?
Text Solution
|
Two point sources of sound are kept at a separation of 10 cm. They vib...
Text Solution
|
When a beam of light is used to determine the position of an object, t...
Text Solution
|
In Fresnel.s diffraction wavefront must be
Text Solution
|
The source is at some distance from an obstacle. Distance between obst...
Text Solution
|
A very small opaque disc is placed in the path oa a monochromatic ligh...
Text Solution
|
A diffraction pattern is obtained using a beam of red light. What happ...
Text Solution
|
In a diffraction pattern the width of any fringe is
Text Solution
|
Yellow light is used in a single slit diffraction experiment with a sl...
Text Solution
|
In diffraction froma a single -slit, the angular width of the centre m...
Text Solution
|
The correct relation between limit of resolution and resolving power i...
Text Solution
|
The resolving power of electron microscope is
Text Solution
|
The limit of resolution of eye is approximately
Text Solution
|
The angular resolution of the telescope is determined by the
Text Solution
|