The first diffraction minima due to a si...

The first diffraction minima due to a single slit diffraction is at `theta=30^(@)` for a light of wavelength `5000Å` The width of the slit is

A

`5xx10^(-5)cm`

B

`10xx10^(-5)cm`

C

`2.5xx10^(-5)cm`

D

`1.25xx10^(5)cm`

Text Solution

Verified by Experts

The correct Answer is:

B

`dsin30^(@)=1xx5xx10^(-7)m`
`d=10^(-6)m=10^(-4)cm=10xx10^(-5)cm`.

Topper's Solved these Questions

WAVE OPTICS
DISHA PUBLICATION|Exercise EXERCISE-2 : CONCEPT APPLICATOR|30 Videos
WAVE OPTICS
DISHA PUBLICATION|Exercise EXERCISE-2 : CONCEPT APPLICATOR|30 Videos
THERMODYNAMICS
DISHA PUBLICATION|Exercise EXERCISE -2 : CONCEPT APPLICATOR|29 Videos
WAVES
DISHA PUBLICATION|Exercise EXERCISE -2 CONCEPT APPLICATOR|30 Videos

Similar Questions

Explore conceptually related problems

The first diffraction minima due to a single slit diffraction is at q = 30^(@) for a light of wavelength 5000 Å. The width of the slit is-

Frist diffraction minima due to of a single slit diffraction is at theta = 30^(@) for a light of wavelength 6000 Å . The width of slits is

The first diffraction minima in a single slit diffraction pattern is at theta=30^(@) , for light of wavelength=5000 Å. The width of the slit is

The first diffraction minimum due to single slit diffraction is theta for a light of wavelength 5000A if the width of the slit is 1 times 10^21 cm then the value of theta is

The I^(st) different minimum due to single slit diffraction is theta , for a light of wave length 5000 Å . If the width of the slit si 1xx10^(-4) cm then the value of theta

The first minimum of a single slit diffraction pattern is observed at angle 2^(@) with a light of wavelength 698 nm. The width of this slit is

First diffraction minima due to a single slit of width 10^-4 cm is at theta=30^@ . The wavelength of the light used is –

First diffraction minima due to a single slit of width 1.0 xx 10^(-5)cm is at 30^(@) . The wavelength of light used is :

In the diffraction pattern due to single slit, in the direction of theta=0 we get

DISHA PUBLICATION-WAVE OPTICS-EXERCISE-1 : CONCEPT BUILDER

A YDSE is conducted in water (mu(1)) as shown in figure. A glass plate...
Text Solution
|
In YDSE, bichromatic light of wavelengths 400 nm and 560 nm are used...
Text Solution
|
In Young's double slit experiment intensity at a point is ((1)/(4)) of...
Text Solution
|
In a Young's double-slit experiment the fringe width is 0.2mm. If the ...
Text Solution
|
In Young's double slit experiment, distance between two sources is 0.1...
Text Solution
|
A single slit diffraction pattern is obtained using a beam of red ligh...
Text Solution
|
From Brewster's law of polarisation, it follows that the angle of pola...
Text Solution
|
The first diffraction minima due to a single slit diffraction is at th...
Text Solution
|
When an unpolarized light of intensity I(0) is incident on a polarizi...
Text Solution
|
Unpolarised light is incident on a dielectric of refractive indexsptsq...
Text Solution
|
Which of the following diagrams represent the veriation of electric fi...
Text Solution
|
A beam of light is incident on a glass slab (mu = 1.54) in a direction...
Text Solution
|
Unpolarized light is incident on a plane sheet on water surface. The a...
Text Solution
|
The fraunhofer diffraction pattern of a single slit is formed at the f...
Text Solution
|
Unpolarised light of intensity 32 Wm^(-2) passes through three polariz...
Text Solution
|
A parallel beam of light of wavelength l is incident normally on a nar...
Text Solution
|
A single slit Fraunhofer diffraction pattern is formed with white lig...
Text Solution
|
Two polaroids are placed in the path of unpolarized beam of intensity ...
Text Solution
|
A beam of unpolarised light of intensity I0 is passed through a polaro...
Text Solution
|
A beam of light of lambda = 600 nm from a distant source falls on a si...
Text Solution
|