A point is situated at 7 cm and 7.2 cm from two coherent sources. Find the nature of illumination at the point if the wavelength of light is 4000 Å.

Q: In a biprism experiment the distance between the 4th and 13th bright fringes is measured when light…

A: To find-Wavelength of light (λ2)=?Given-(X13-X4)λ1=X15-X5λ2λ1=6000 A0λ1=6×10-7 m

Q: Suppose you have a lens system that is to be used primarily for 5380–nm infrared light. What is the…

A:

Q: A laser beam of 600 nm is incident normally on a transmission grating having 500 lines/mm. Find the…

A: Write the expression,

Q: Find the wavelength (in nm) in a material (n=1.689)for a light with a wavelength in air of 759 nm.…

A:

Q: A Michelson interferometer is used with red light of wavelength 632.8 nm and is adjusted for a path…

A: Given: The path difference is: d= 20 [μm] =20 × 10−6 [m] The wavelength of light is: λ=632.8 [nm]=…

Q: First-order Bragg diffraction is observed at 23.8° relative to the crystal surface, with spacing…

A: a. Bragg’s law can be expressed as 2dsinθ=nλ

Q: The angle of a Bragg reflection from a set of crystal planes separated by 128.2 pm is 19.76°.…

A: Bragg's law is given by the following formula; nλ=2dsinθ…

Q: A transmission grating is a square of side of 2 cm, and is an opaque screen containing parallel…

A:

Q: If a diffraction grating with 300 lines/mm is illuminated with beam of white light, and the 2nd…

A: Given: Grating : 300 lines/mm Wavelength λ=500 nm To find  Separation at wavelength of 400 nm and…

Q: A third-order diffraction maximum is observed when a 0.862 Å X-ray beam is diffracted by the planes…

A: The objective of this question is to find the distance between adjacent (111) planes of a copper…

Q: Light is incident from vacuum to crown glass; the light's vacuum wavelength is 500 nm, so the…

A: Law of reflection: It states that when a light ray reflects off the surface then the angle of…

Q: One important goal of astronomers is to have a telescope in space that can resolve planets like the…

A: Given data: Distance between star and planet L=1.5×1011 m. Diameter of the mirror D=8.0 m.…

Q: the spacing bétween the minima and m asurement of distance on the object, whic ement device that…

A: Given as,

Q: . The velocity of light in the core of a step index fiber is 2.01 × 108 m s-1, and the critical…

A:

Q: He-Ne gas laser which produces monochromatic light of a known wavelength λ= 6.35 x 10^-7 m is used…

A: formula for diffraction = dsinθ=mλ d =distance between lines number of lines per meter=N=1d

Q: Calculate the wavelength of light that produces its first minimum at an angle of 36.9º when falling…

A: The relationship between angle and wavelength for a specific minimum in single slit experiment is,…

Q: A beam of monochromatic light is diffracted by a slit of width 0.600 mm. The diffraction pattern…

A: Write the expression for width of central maxima.

Q: The limit to the eye's acuity is actually related to diffraction by the pupil. What is the angle…

A: Write the expression for the angle between two points of light and substitute the required values.