Bragg's Equation

Q.

The second order Bragg diffraction of x-rays with $\lambda =1.00\stackrel{\circ }{A}$ from a set of parallel planes in metal occurs at an angle ${60}^{\circ }$. The distance between the scattering planes in the crystal is

1. $2.00\stackrel{\circ }{A}$

2. $1.00\stackrel{\circ }{A}$

3. $0.575\stackrel{\circ }{A}$

4. $1.15\stackrel{\circ }{A}$

Q.

What is the wavelength of x-ray, if the interplanar distance of the crystal is 286 pm and the incident angle is ${15.8}^o$. Order of reflection is 2.

1. 378 pm

2. 154.2 pm

3. 77.8 pm

4. 294.3 pm

Q.

Bragg gave a mathematical equation:

$n\lambda =2dsin\theta$

Here which of the following is correct?

1. $\lambda \to$ wavelength of incident x-ray

2. d $\to$ distance between the layers

3. 

4. ɵ →

   

Q.

Calculate the distance between the planes of ions if the smallest angle of reflection is x-ray diffraction is ${5.97}^0$ and the wavelength of incident ray is 58.6 pm? $(sin{5.97}^0$ = 0.104)

1. 382 pm

2. 156 pm

3. 78 pm

4. 282 pm

Q.

First order X-ray reflection ($\lambda$ = 154 pm) is maximum from a set of (2, 0, 0) planes of a B.C.C lattice was observed at ${16}^{\circ }$, 6’. Then, the edge length of unit cell is

1. 360 pm

2. 420 pm

3. 560 pm

4. 180 pm

Q.

In the Bragg's equation for diffraction of X-rays, n represents for

[MP PMT 2000]

1. Quantum number

2. An integer

3. Avogadro's numbers

4. Moles

Q.

Bragg's law is given by the equation

[MP PMT 1995, 2002]

1. 

2. 

3. 

4. 

Q.

The second order Bragg diffraction of X-rays with l =1.0 A⁰ froma set of parallel planes in a metal occurs at an angle of 60⁰.The distance between the scattering planes in the crystal is

1. 0.575 A⁰

2. 1.00 A⁰

3. 2.00 A⁰

4. 1.15 A⁰

Q. The second order Bragg diffraction of X-rays with 1.00 A from a set of parallel planes in a metal occurs at an angle 60. The distance between the scattering planes in the crystal is

Q. What is spin quantum??

Q.

The second order Bragg diffraction of x-rays with $\lambda =1.00\stackrel{\circ }{A}$ from a set of parallel planes in metal occurs at an angle ${60}^{\circ }$. The distance between the scattering planes in the crystal is

1. $2.00\stackrel{\circ }{A}$

2. $1.00\stackrel{\circ }{A}$

3. $0.575\stackrel{\circ }{A}$

4. $1.15\stackrel{\circ }{A}$

Q.

The second order Bragg diffraction of X-rays with lambda = 1 Angstrom form a set of parallel planes in a metal occurs at an angle of 60 degrees. The distance between the scattering planes in the crystal is

1- 2 A 2- 1 A

3- 0.575A 4- 1.15 A

Q.

Bragg gave a mathematical equation:

$n\lambda =2dsin\theta$

Here which of the following is correct?

1. $\lambda \to$ wavelength of incident x-ray

2. d $\to$ distance between the layers

3. 

4. ɵ →

   

Q.

What is the wavelength of x-ray, if the interplanar distance of the crystal is 286 pm and the incident angle is ${15.8}^o$. Order of reflection is 2.

1. 378 pm

2. 154.2 pm

3. 294.3 pm

4. 77.8 pm

Q. The distance between planes of ions parallel to the face of the unit cell of sodium chloride is $282pm$. The smallest angle of reflection observed in the X-ray diffraction pattern is ${4.97}^{\circ }$. Calculate the wavelength of the incident radiation.

Q.

Bragg gave a mathematical equation:

$n\lambda =2dsin\theta$

Here which of the following is correct?

1. $\lambda \to$ wavelength of incident x-ray

2. d $\to$ distance between the layers

3. 

4. ɵ →

   

Q.

In Bragg’s equation n λ = 2 d sinθ, ‘n’ represents

1. the number of moles

2. the principal quantum number

3. the Avogadro’s number

4. the order of reflection

Q.

Q. Bragg equation for the scattering of X-rays by crystals is ____.

Q.

Calculate the distance between the planes of ions if the smallest angle of reflection is x-ray diffraction is ${5.97}^0$ and the wavelength of incident ray is 58.6 pm? $(sin{5.97}^0$ = 0.104)

1. 282 pm

2. 382 pm

3. 156 pm

4. 78 pm

Q.

Calculate the distance between the planes of ions if the smallest angle of reflection is x-ray diffraction is ${5.97}^0$ and the wavelength of incident ray is 58.6 pm? $(sin{5.97}^0$ = 0.104)

1. 282 pm

2. 382 pm

3. 156 pm

4. 78 pm

Q.

Bragg's law is given by the equation

[MP PMT 1995, 2002]

1. 

2. 

3. 

4. 

Q.

Calculate the distance between the planes of ions if the smallest angle of reflection is x-ray diffraction is ${5.97}^0$ and the wavelength of incident ray is 58.6 pm? $(sin{5.97}^0$ = 0.104)

1. 156 pm

2. 78 pm

3. 282 pm

4. 382 pm

Q. The second order Bragg's diffraction of rays with $\lambda$ = 1A from a set of parallel planes in a metal occurs at an angle of ${60}^{\circ }$ The distance between the scattering planes in the crystal is

1. 1.00 Å
2. 2.00 Å
3. 0.575 Å
4. 1.15 Å

Q.

What is the wavelength of x-ray, if the interplanar distance of the crystal is 286 pm and the incident angle is ${15.8}^o$. Order of reflection is 2.

1. 378 pm

2. 154.2 pm

3. 294.3 pm

4. 77.8 pm

Q.

Bragg gave a mathematical equation:

$n\lambda =2dsin\theta$

Here which of the following is correct?

1. $\lambda \to$ wavelength of incident x-ray

2. d $\to$ distance between the layers

3. 

4. ɵ →