Plane microwaves are incident on a long ...

Plane microwaves are incident on a long slit of width 6 cm. if the first diffraction minimum is formed at `30^(@)` then the wavelength of microwaves is

6 cm

4 mm

6 mm

3 cm

Text Solution

Verified by Experts

The correct Answer is:

`lamda=asintheta=6xx10^(-2)xxsin30^(@)=3xx10^(-2)m=3cm`

Topper's Solved these Questions

INTERFERENCE AND DIFFRACTION
MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos
GRAVITATION
MARVEL PUBLICATION|Exercise TEST YOUR GRASP -2|20 Videos
KINETIC THEORY OF GASES ,THERMODYNAMICS AND RADIATION
MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 9|30 Videos

Similar Questions

Explore conceptually related problems

From large distance microwaves fall on a long slit of width 5cm. If the first diffraction minima is obtained at an angle 30^(@) form the direct vision slit line then find the wavelength of the microwaves. [2.5 cm]

Plane microwaves are incident on a long slit having a width of 5.0 cm. Calculate the wavelength of the microwaves if the first diffraction minimum is formed at theta=30^@ .

In a diffraction pattern due to a single slit of width a, the firt minimum is observed at an angle 30^(@) when light of wavelength 5000 Å is incident on the slit. The first secondary miximum is observed at an angle of

Light of wavelength lamda is incident on a slit of width d. the resulting diffraction pattern is observed on a screen at a distance D. the linear width of the principal maximum is, then equal to the width of the slit if D equals

A slit of width a is illuminiated by white light. The first diffraction minimum for light of lamda=6500 Å is formed at theta=30^(@) , then the width (a) of the slit is

Light of wavelength 420 nm is incident on a narrow slit. The angle between the first diffraction minimum on one side of the central maximum and the first minimum on the other side is 2.00^(@) . What is the width of the slit?

Light of wavelength 633 nm is incident on a narrow slit. The angle between the first diffraction minimum on one side of the central maximum and the first minimum on the other side is 1.20 What is the width of the slit?

MARVEL PUBLICATION-INTERFERENCE AND DIFFRACTION-TEST YOUR GRASP

Plane microwaves are incident on a long slit of width 6 cm. if the fir...
Text Solution
|
Two waves having the intensities in the ratio of 9 : 1 produce interfe...
Text Solution
|
A point P is situated at 40.1 cm and 40.2 cm away from two coherent so...
Text Solution
|
Two coherent monochromatic light beams of intensities I and 4I are sup...
Text Solution
|
In Young's double slit experiment carried out with wavelength lamda=50...
Text Solution
|
In Young's experiment, interference fringes are obtained on a screen p...
Text Solution
|
In a young's double slit experiment, one of the slits is covered by a ...
Text Solution
|
In Young's double slit experiment, the two slits are at a distance 'd'...
Text Solution
|
In Youngs 's double slit experiment, the fringe width obtained by usin...
Text Solution
|
In Young's double slit experiment, the maximum intensity is I(0). What...
Text Solution
|
In a biprism experiment the band width is 0.4 mm when the eye piece is...
Text Solution
|
In a biprism experiment, the distance between the consecutive bright b...
Text Solution
|
Microwave ocillators S(1) and S(2) are used to show interference of el...
Text Solution
|
Two sources of light P and Q have wavelengths 6000 Å and 5500 Å respec...
Text Solution
|
Light of wavelength 5000 Å, illuminates the slit in a biprism experime...
Text Solution
|
A diffraction patter is obtained by making lbue light incident on a na...
Text Solution
|
Light of wavelength lambda is incident on a slit of width d and distan...
Text Solution
|
A light wave is incident normally over a slit of width 24xx10^-5cm. Th...
Text Solution
|
In a Fraunhoffer diffraction at single slit of width 'a' with incident...
Text Solution
|
By using light of wavelength 5200 Å, two points separated by a distanc...
Text Solution
|
What is the resolving power of a telescope whose objective lens has a ...
Text Solution
|