Light of 5000 Å is incident on a circular hole of radius 1 cm. How – McqOptions

MCQOPTIONS

1.	Light of 5000 Å is incident on a circular hole of radius 1 cm. How many half period zones are contained in the circle if the screen is placed at a distance of 1 m?
A.	20
B.	200
C.	2000
D.	20000
Answer» E.

Discussion

No Comment Found

Related MCQs

A screen is placed 2m away from the lens to obtain the diffraction pattern in the focal plane of the lens in a single slit diffraction experiment. What will be the slit width if the first minimum lies 5 mm on either side of the central maximum when plane light waves of wavelength 4000 Å are incident on the slit?
Which graph is shown in the figure?
Find the missing order for a double-slit Fraunhofer Diffraction pattern if the slit widths are 0.2 mm separated by 0.6 mm.
The zone plate behaves like a ___________
Light of 6000 Å is incident on a circular hole and is received on a screen 50 cm away. What is the radius of the hole, if the intensity of light on the screen is 4 times the intensity without the hole?
Light of 5000 Å is incident on a circular hole of radius 1 cm. How many half period zones are contained in the circle if the screen is placed at a distance of 1 m?
In Double Slit Fraunhofer Diffraction, some orders of interference pattern are missing. It is called ____________
The radius of the half period zone is proportional to __________
In Fresnel Diffraction, the incident wavefront is _________
In Fresnel diffraction, the relative phase difference between the curved wavefront is ___________