Why sharp peak and diffuse peak are observed in powder XRD?

Why sharp peak and diffuse peak are observed in powder XRD?
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Powder metallurgy is used to produce (A) High precision components with complex cavities and sharp features (B) Components of large size (C) Porosity free components (D) Components of such alloys whose constituents do not form alloys readily

Description : Powder metallurgy is used to produce (A) High precision components with complex cavities and sharp features (B) Components of large size (C) Porosity free components (D) Components of such alloys whose constituents do not form alloys readily

Last Answer : (C) Porosity free components

Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone (c) Menstruation : Breakdown of myometrium and ovum not fertilised (d) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Description : Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) ... ) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Last Answer : (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone

Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Description : Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Last Answer : (A) Polymeric fibres are never produced by addition polymerisation

Diffraction due to circular aperture If a light passes through a small pinhole, and incident on a screen. What will be observed on the screen? A.A sharp bright point of the width equal to width the pinhole B. A bright point of the width equal to width the pinhole but of less intensity C. A bright ring at the centre surrounded by alternate dark and bright rings D. A diffused bright point

Description : Diffraction due to circular aperture If a light passes through a small pinhole, and incident on a screen. What will be observed on the screen? A.A sharp bright point of the width equal to ... A bright ring at the centre surrounded by alternate dark and bright rings D. A diffused bright point

Last Answer : C. A bright ring at the centre surrounded by alternate dark and bright rings

What's the best way to diffuse noise from neighbors?

Description : What's the best way to diffuse noise from neighbors?

Last Answer : answer:Offer to change apartments with them. Perhaps the landlord would install carpet upstairs. Review your lease. Usually there is a provision stating something to the effect of: Tenant shall expect to receive “reasonably quiet enjoyment”.

Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t

Description : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t

Last Answer : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` ... D. If both Assertion & Reason are false.

Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit differnece in partial pressure is much higher compared

Description : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit differnece in partial pressure is much higher compared

Last Answer : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit ... . D. If both Assertion & Reason are false.

Diffuse porous woods are characterstic of plants growing in

Description : Diffuse porous woods are characterstic of plants growing in

Last Answer : Diffuse porous woods are characterstic of plants growing in A. Alpine region B. Cold winter regions C. Temperate regions D. Tropical regions

At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

Description : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

Last Answer : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

Description : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

Last Answer : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__

What types of molecules ccan diffuse through the ceel membrane without using a channel protein?

Description : What types of molecules ccan diffuse through the ceel membrane without using a channel protein?

Last Answer : Need answer

In which cell will the molecules diffuse in?

Description : In which cell will the molecules diffuse in?

Last Answer : Need answer

Where molecules diffuse in?

Description : Where molecules diffuse in?

Last Answer : Need answer

What is able to diffuse through the stomata?

Description : What is able to diffuse through the stomata?

Last Answer : Need answer

Why can oxygen diffuse across a cell membrane but a protein?

Description : Why can oxygen diffuse across a cell membrane but a protein?

Last Answer : Its too large

Why do gases diffuse quicker than other gases?

Description : Why do gases diffuse quicker than other gases?

Last Answer : because of the chemicals inside it.Edit: This answer is incorrect. Smaller, lighter weight gasesdiffuse faster than larger, heavier gases.

Can small lipids diffuse into cell membrane through diffusion?

Description : Can small lipids diffuse into cell membrane through diffusion?

Last Answer : Feel Free to Answer

Can starch diffuse into the human blood stream without being digested?

Description : Can starch diffuse into the human blood stream without being digested?

Last Answer : What is the answer ?

Why do cells need small molecules such as simple sugars and amino acids in order to diffuse into the cell?

Description : Why do cells need small molecules such as simple sugars and amino acids in order to diffuse into the cell?

Last Answer : Need answer

Why do gases diffuse quicker than other gases?

Description : Why do gases diffuse quicker than other gases?

Last Answer : because of the chemicals inside it.Edit: This answer is incorrect. Smaller, lighter weight gasesdiffuse faster than larger, heavier gases.

What cannot be produced by a diffuse reflection but is possible with a specular reflection?

Description : What cannot be produced by a diffuse reflection but is possible with a specular reflection?

Last Answer : I don’t understand the question

Acetyl-CoA is the principal building block of fatty acids. It is produced within the mitochondria and does not diffuse readily into cytosol. The availability of acetyl CoA involves (A) Carnitine acyl transferase (B) Pyruvate dehydrogenase (C) Citrate lyase (D) Thiolase

Description : Acetyl-CoA is the principal building block of fatty acids. It is produced within the mitochondria and does not diffuse readily into cytosol. The availability of acetyl CoA involves (A) Carnitine acyl transferase (B) Pyruvate dehydrogenase (C) Citrate lyase (D) Thiolase

Last Answer : Answer : C

Which of the following features is predicted by the Nicolson–Singer fluid mosaic model of biological membranes? (A) Membrane lipids do not diffuse laterally (B) Membrane lipid is primarily in a monolayer form (C) Membrane lipids freely flip-flop (D) Membrane proteins may diffuse laterally

Description : Which of the following features is predicted by the Nicolson–Singer fluid mosaic model of biological membranes? (A) Membrane lipids do not diffuse laterally (B) Membrane lipid is primarily in a monolayer form (C) Membrane lipids freely flip-flop (D) Membrane proteins may diffuse laterally

Last Answer : Answer : D

Why liquids diffuse slowly as compared to gases?

Description : Why liquids diffuse slowly as compared to gases?

Last Answer : Ans.In liquid the intermolecular forces (vander waal’s forces) are greater than in gas.

What is meant by predicting the value of a state variable from the past? a) Specular reflection b) Diffuse reflection c) Gaussian filter d) Smoothing

Description : What is meant by predicting the value of a state variable from the past? a) Specular reflection b) Diffuse reflection c) Gaussian filter d) Smoothing

Last Answer : d) Smoothing

Pick out the wrong statement: (A) With change in temperature, the radiant energy emitted by a black body remains unchanged (B) Absorptivity of a body approaches unity in case of diffuse reflection (C) Absorptivity of a perfectly black body is unity (D) Value of Stefan-Boltzmann constant is 4.876 × 10 -8 KCal/m2 .hr.°K4

Description : Pick out the wrong statement: (A) With change in temperature, the radiant energy emitted by a black body remains unchanged (B) Absorptivity of a body approaches unity in case of diffuse reflection (C) Absorptivity of ... unity (D) Value of Stefan-Boltzmann constant is 4.876 10 -8 KCal/m2 .hr.°K4

Last Answer : (A) With change in temperature, the radiant energy emitted by a black body remains unchanged

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla. (b) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse. (c) Hypothalamus activates the parasympathetic division of brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.

According to widely accepted “fluid mosaic model” cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect? (a) Proteins in cell membranes can travel within the lipid bilayer. (b) Proteins can also undergo flip-flop movements in the lipid bilayer. (c) Proteins can remain confined within certain domains of the membrane.(d) Many proteins remain completely embedded within the lipid bilayer.

Description : According to widely accepted fluid mosaic model cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several ... domains of the membrane. (d) Many proteins remain completely embedded within the lipid bilayer.

Last Answer : (b) Proteins can also undergo flip-flop movements in the lipid bilayer.

Out of diffuse porous and ring porous woods, which is correct? (a) Ring porous wood carries more water for short period. (b) Diffuse porous wood carries more water. (c) Ring porous wood carries more water when need is higher. (d) Diffuse porous wood is less specialised but conducts water rapidly throughout.

Description : Out of diffuse porous and ring porous woods, which is correct? (a) Ring porous wood carries more water for short period. (b) Diffuse porous wood carries more water. (c) Ring porous wood ... when need is higher. (d) Diffuse porous wood is less specialised but conducts water rapidly throughout.

Last Answer : (c) Ring porous wood carries more water when need is higher.

Diffuse porous woods are characteristic of plants growing in (a) alpine region (b) cold winter regions (c) temperature climate (d) tropics.

Description : Diffuse porous woods are characteristic of plants growing in (a) alpine region (b) cold winter regions (c) temperature climate (d) tropics.

Last Answer : (d) tropics.

A perfectly black body: (A) Is a diffuse emitter (B) Absorbs all the radiations of every wave lengths (C) Emits power of every wave length (D) All the above

Description : A perfectly black body: (A) Is a diffuse emitter (B) Absorbs all the radiations of every wave lengths (C) Emits power of every wave length (D) All the above

Last Answer : Answer: Option D

The nurse knows that a postoperative vision-threatening complication of LASIK refractive surgery, diffuse lamellar keratitis (DLK) occurs a) in the first week after surgery. DLK is a peculiar, non-infectious, inflammatory reaction in the lamellar interface after LASIK. It is characterized by a white granular, diffuse culture-negative lamellar keratitis occurring in the first week after surgery. Studies suggest that since no single agent appears to be solely the cause of DLK, a multifactorial etiology is likely.

Description : The nurse knows that a postoperative vision-threatening complication of LASIK refractive surgery, diffuse lamellar keratitis (DLK) occurs a) in the first week after surgery. DLK is a peculiar, non-infectious, ... after surgery. d) 6 months after surgery. DLK occurs in the first week after surgery.

Last Answer : a) in the first week after surgery. DLK is a peculiar, non-infectious, inflammatory reaction in the lamellar interface after LASIK. It is characterized by a white granular, diffuse culture-negative ... no single agent appears to be solely the cause of DLK, a multifactorial etiology is likely.

When the nurse observes diffuse swelling involving the deeper skin layers in the patient who has experienced an allergic reaction, the nurse records the finding as a) angioneurotic edema. The area of skin demonstrating angioneurotic edema may appear normal but often has a reddish hue and does not pit.

Description : When the nurse observes diffuse swelling involving the deeper skin layers in the patient who has experienced an allergic reaction, the nurse records the finding as a) angioneurotic edema. ... the result of increased interstitial fluid and associated with disorders such as congestive heart failure.

Last Answer : a) angioneurotic edema. The area of skin demonstrating angioneurotic edema may appear normal but often has a reddish hue and does not pit.

Reflections in many directions ∙ a. Diffuse reflection ∙ b. Diffraction ∙ c. Scattering ∙ d. Dispersion

Description : Reflections in many directions ∙ a. Diffuse reflection ∙ b. Diffraction ∙ c. Scattering ∙ d. Dispersion

Last Answer : a. Diffuse reflection

diffuse abdominal pain , bleeding per rectum and fever 38.3 c , preceded by urinary infection 3 weeks back treated with AB , diagnosis : Ischemic colitis Amoebic colitis Pseudomembranous colitis

Description : diffuse abdominal pain , bleeding per rectum and fever 38.3 c , preceded by urinary infection 3 weeks back treated with AB , diagnosis : Ischemic colitis Amoebic colitis Pseudomembranous colitis

Last Answer : Pseudomembranous colitis

The MOST common staphylococcal infections is: A. A localised purulent infection of the skin B. Diffuse purulent infection of the skin C. Staphylococcal osteomyelitis D. Impetigo

Description : The MOST common staphylococcal infections is: A. A localised purulent infection of the skin B. Diffuse purulent infection of the skin C. Staphylococcal osteomyelitis D. Impetigo

Last Answer : A. A localised purulent infection of the skin

Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its active forms have selective affinity for the H+K+ATPase located in the apical canaliculi of gastric parietal cells C. Its cationic forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above

Description : Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its ... forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above

Last Answer : D. All of the above

Thyroxine therapy is indicated in the following conditions except: A. Euthyroid status with raised TSH level B. Diffuse nontoxic goiter C. Nonfunctional thyroid nodule D. Benign functioning thyroid nodule

Description : Thyroxine therapy is indicated in the following conditions except: A. Euthyroid status with raised TSH level B. Diffuse nontoxic goiter C. Nonfunctional thyroid nodule D. Benign functioning thyroid nodule

Last Answer : C. Nonfunctional thyroid nodule

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla (3) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla

There are three commonly detectable points of zero polarization of diffuse sky radiation, neutral points, lying along the vertical circle through the sun. Which of the following is NOT one of these points? Is it the: w) Arago Point x) Babinet Point y) Brewster Point z) Longfellow Point

Description : There are three commonly detectable points of zero polarization of diffuse sky radiation, neutral points, lying along the vertical circle through the sun. Which of the following is NOT one of these points? Is it the: w) Arago Point x) Babinet Point y) Brewster Point z) Longfellow Point

Last Answer : ANSWER: Z -- LONGFELLOW POINT

During osmosis w) Pure solvent diffuses through a membrane but solutes do not. x) Pure solutes diffuse through a membrane but solvent does not. y) Pure solvent and a solution both diffuse at the same time through a membrane. z) Gases diffuse through a membrane into a solution and build up pressure.

Description : During osmosis w) Pure solvent diffuses through a membrane but solutes do not. x) Pure solutes diffuse through a membrane but solvent does not. y) Pure solvent and a solution both diffuse at the same time through a membrane. z) Gases diffuse through a membrane into a solution and build up pressure. 

Last Answer : ANSWER: W -- PURE SOLVENT DIFFUSES THROUGH A MEMBRANE BUT SOLUTES DO NOT. 

Consider the following statements regarding the formation of P-N junctions: 1. Holes diffuse across the junction from P-side to N—side 2. The depletion layer is wiped out. 3. There is continuous flow of current across the junction 4. A barrier potential is set up across the junction Which of the above statements are correct? (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4

Description : Consider the following statements regarding the formation of P-N junctions: 1. Holes diffuse across the junction from P-side to N-side 2. The depletion layer is wiped out. 3. There is continuous flow of current across the junction 4 ... correct? (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4

Last Answer : Ans: (c) When a pn-junction is formed, there will be diffusion of carries across the junctions followed by recombination, and the creation of a depletion layer across which a ... potential is established, which will prevent further diffusion of carries across the junction, leading to equilibrium

Fiber optics cable used in communication, works on the principle of (1) regular reflection of light (2) diffuse reflection of light (3) refraction of light (4) total internal reflection of light

Description : Fiber optics cable used in communication, works on the principle of (1) regular reflection of light (2) diffuse reflection of light (3) refraction of light (4) total internal reflection of light

Last Answer : total internal reflection of light

Define : i) Diffuse radiation ii) Beam radiation ii) Insolation iv) Solar constant

Description : Define : i) Diffuse radiation ii) Beam radiation ii) Insolation iv) Solar constant

Last Answer : i) Diffuse radiation: It is the solar radiation which is scattered by the particles in earth's atmosphere and this radiation does not have any unique direction.  ii) Beam radiation: Solar radiation ... from the sun.  OR  It is the average radiation received outside the earth's atmosphere

How to cut a soda can in half without jagged or sharp edges?

Description : How to cut a soda can in half without jagged or sharp edges?

Last Answer : Short answer is No. The soda can wall is very thin, like a razor blade thin, so it is almost impossible for you to dull the edge.

Can attraction towards somebody make your mind sharp?

Description : Can attraction towards somebody make your mind sharp?

Last Answer : Love makes you stupid. You won’t be as sharp.

What age would a child have to be for you to let them use a sharp knife?

Description : What age would a child have to be for you to let them use a sharp knife?

Last Answer : 8–10.

In Vanity Fair, did Becky Sharp actually kill Joseph Sedley?

Description : In Vanity Fair, did Becky Sharp actually kill Joseph Sedley?

Last Answer : answer:First, read this article. It's an interesting scholarly discussion of Sedley. link Second, although the book never explicitly says so, the implication is absolutely there - one day after a life ... of like OJ Simpson - he killed Nicole even though the evidence to prove it was equivocal).