Home
Class 12
CHEMISTRY
X - rays of wavelength 0.134nm gave a fi...

X - rays of wavelength 0.134nm gave a first order diffraction from the surface of a crystal. The value was found to be `10.5^(0)`. Calculate the interplanar distance. 

Text Solution

Verified by Experts

3.67
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the angle at which first order reflection will occur in an X-ray spectrometer when X-rays of wavelength 1.54Å are diffracted by the atoms of a crystal given that interplanar distance is 0.04Å .

A photon of wavelength 400nm strikes a metal surface. The electrons are ejected with a velocity 5.85 xx 10^(5)ms^(-1) . Calculate the minimum energy required to remove an electron from the metal surface. The mass of an electron is 9.109 xx 10^(-31)kg .

The first - order diffraction os X- rays from a certain set of crystal planes occurs an angle of 11.8^(@) from the planes. If the planes are 0.281 nm apart, what is the wavelength of X- rays?

A slit of width d is placed in front of a l ens of focal length 0.5m and is illuminated normally with light of wavelength 5.89xx10^(-7)m . The first diffraction minima on either side of the central diffraction maximum are separated by 2xx10^(-3)m . The width d of the slit is "_________" m.

Answer the following: (a) What is a wave front? How does it propagate? Using Huygens' principle, explain reflection of a plane wavefront from a surface and verify the laws of reflection. (b) A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is obtained on a screen 1 m away. If the first minimum is formed at a distance of 2.5 mm from the centre of screen, find the (i) width of the slit, and (ii) distance of first secondary maximum from the centre of the screen.

An X-ray beam (lambda = 70.9 p m) was scattered by a crystalline solid. The angle (2theta) of the diffraction for a second order reflection is 14.66^(0) . Calculate the distance between parallel planes of atoms of the crystalline solid.

A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observe on screen 1 m away. It is observed that the first minimum is at a distance of 2.5 mm from the centre of the screen. Find the width of the slit.

A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observe on screen 1 m away. It is observed that the first minimum is at a distance of 2.5 mm from the centre of the screen. Find the width of the slit.

A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observe on screen 1 m away. It is observed that the first minimum is at a distance of 2.5 mm from the centre of the screen. Find the width of the slit.

Two wavelengths of sodium light 590 nm and 596 nm are used in turn to study the diffraction at a single slit of size 4mm. The distance between the slit and screen is 2m. Calculate the separation between the positions of the first maximum of the diffraction pattern obtained in the two cases.