The metal which does not allow X-ray to pass through?

The metal which does not allow X-ray to
pass through?
by

1 Answer

Answer :

Lead
by

Related questions

Before X-ray examination (coloured Xray) of the stomach, patients are given suitable salt of barium because. (1) barium is a good absorber of X-rays and helps stomach to appear clearly (2) barium salts are white in colour and this helps stomach to appear clearly (3) barium allows X-rays to pass through the stomach (4) barium salts are easily available

Description : Before X-ray examination (coloured Xray) of the stomach, patients are given suitable salt of barium because. (1) barium is a good absorber of X-rays and helps stomach to appear clearly (2) barium ... clearly (3) barium allows X-rays to pass through the stomach (4) barium salts are easily available

Last Answer : (1) barium is a good absorber of X-rays and helps stomach to appear clearly

In human flesh, the three light elements which predominate, and allow greater amount of incident X-rays to pass through them are a) oxygen, nitrogen , hydrogen b) oxygen, hydrogen, helium c) oxygen, hydrogen, carbon d) carbon, nitrogen, oxygen

Description : In human flesh, the three light elements which predominate, and allow greater amount of incident X-rays to pass through them are a) oxygen, nitrogen , hydrogen b) oxygen, hydrogen, helium c) oxygen, hydrogen, carbon d) carbon, nitrogen, oxygen

Last Answer : c) oxygen, hydrogen, carbon

How many times does a ray pass through a thick lens ?

Last Answer : When a ray passes through a thick lens, it is refracted twice.

For total internal reflection, ray of Light Has to pass through

Description : For total internal reflection, ray of Light Has to pass through

Last Answer : Glass to water

A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no other pathology. What is your management: A. Remove the dentigerous cyst B. Soft tissues recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Description : A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no ... recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Last Answer : C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Substances which allow light to pass through them are called?

Description : Substances which allow light to pass through them are called?

Last Answer : Transparent substances eg: glass

What is is the ability of a cell membrane to allow materials to pass through it called?

Description : What is is the ability of a cell membrane to allow materials to pass through it called?

Last Answer : permeability

What is the ability of the cell membrane to allow materials to pass through it called?

Description : What is the ability of the cell membrane to allow materials to pass through it called?

Last Answer : permeability

What are the special in cell membrane that allow materials such as water and sugar to pass through made of?

Description : What are the special in cell membrane that allow materials such as water and sugar to pass through made of?

Last Answer : proteins

Property of earth to allow water to pass through it, is known as (A) Perviousness (B) Porosity (C) Permeability (D) Transmissibility

Description : Property of earth to allow water to pass through it, is known as  (A) Perviousness  (B) Porosity  (C) Permeability  (D) Transmissibility

Last Answer : (A) Perviousness 

The capacity of rock to allow water to pass through is called?

Description : The capacity of rock to allow water to pass through is called?

Last Answer : Permeability

What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Description : What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Last Answer : Bandpass.

Do you think it's hypocritical of the NFL to allow Ray Rice to play football again, when he is seen on video violating their own policy?

Description : Do you think it's hypocritical of the NFL to allow Ray Rice to play football again, when he is seen on video violating their own policy?

Last Answer : It’s BEYOND hypocritical. If I ever needed another reason for not giving a fig about football it’s this pathetic display dollars trumping ethical decency.

For a ray of light to suffer total internal reflection it has to pass from – (1) glass to water (2) water to glass (3) air to water (4) air to glass

Description : For a ray of light to suffer total internal reflection it has to pass from – (1) glass to water (2) water to glass (3) air to water (4) air to glass

Last Answer : (3) air to water Explanation: Total internal reflection is an optical phenomenon that happens when a ray of light strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface.

For a ray of light to suffer total internal reflection it has to pass from : (1) glass to water (2) water to glass (3) air to water (4) air to glass

Description : For a ray of light to suffer total internal reflection it has to pass from : (1) glass to water (2) water to glass (3) air to water (4) air to glass

Last Answer : air to water

Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Description : Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Last Answer : B. X – ray

What device can be constructed to allow microwave energy to pass in one direction but blocks energy in the other direction in a waveguide?

Description : What device can be constructed to allow microwave energy to pass in one direction but blocks energy in the other direction in a waveguide?

Last Answer : errite Isolato

When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

Description : When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction ... can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

Last Answer : B. No, proximal reduction is greater to allow the crown to pass the contact area

There's a knife that is being offered on the Internet as able to pass through (edit) a metal detector. Is this possible? Please see the link.

Description : There's a knife that is being offered on the Internet as able to pass through (edit) a metal detector. Is this possible? Please see the link.

Last Answer : It may not get picked up by the metal detectors, but it will certainly send up a red flag when it goes through xray, which will see the outline of a knife. No way thats getting on a plane.

A steel ball floats on mercury because (a) mercury does not allow any metallic ball to sink in it (b) mercury is also a metal in the liquid form (c) the density of mercury is higher than that of steel (d) a steel ball can be made to float on any liquid by suitable adjustment

Description : A steel ball floats on mercury because (a) mercury does not allow any metallic ball to sink in it (b) mercury is also a metal in the liquid form (c) the density of mercury is higher than that of steel (d) a steel ball can be made to float on any liquid by suitable adjustment

Last Answer : Ans:(c)

In railway tracks, a small gap is left between the rails _____. A. To permit the shrinkage of metal B. To save the cost of metal C. To allow for the expansion during heat D. None of the above

Description : In railway tracks, a small gap is left between the rails _____. A. To permit the shrinkage of metal B. To save the cost of metal C. To allow for the expansion during heat D. None of the above

Last Answer : ANSWER: C

In railway tracks, a small gap is left between the rails _____. A. To permit the shrinkage of metal B. To save the cost of metal C. To allow for the expansion during heat D. None of the above

Description : In railway tracks, a small gap is left between the rails _____. A. To permit the shrinkage of metal B. To save the cost of metal C. To allow for the expansion during heat D. None of the above

Last Answer : ANSWER: C

Is it permissible to install tapped holes in fittings per ASME B16.5 a) No. b) Yes. c) Yes, if the metal is thick enough to allow the required thread length. d) Yes, as permitted by ASME B16.20.

Description : Is it permissible to install tapped holes in fittings per ASME B16.5 a) No. b) Yes. c) Yes, if the metal is thick enough to allow the required thread length. d) Yes, as permitted by ASME B16.20.

Last Answer : c) Yes, if the metal is thick enough to allow the required thread length.

On passing through food stuff, X-ray can kill the------? A. Fungus B. Virus C. Bacteria (Answer) D. insects

Description : On passing through food stuff, X-ray can kill the------? A. Fungus B. Virus C. Bacteria (Answer) D. insects

Last Answer : C. Bacteria (Answer)

In the following diagram, the path of a ray of light passing through a glass prism is shown: In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option): (a) X, R and T (b) Y, Q and T (c) X, Q and P (d) Y, Q and P

Description : In the following diagram, the path of a ray of light passing through a glass prism is shown: In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option): (a) X, R and T (b) Y, Q and T (c) X, Q and P (d) Y, Q and P

Last Answer : (d) Y, Q and P

A diagnostic test that involves injection of a contrast media into the venous system through a dorsal vein in the foot is termed a) contrast phlebography. When a thrombus exists, an x-ray image will disclose an unfilled segment of a vein. b) air plethysmography Air plethysmography quantifies venous reflux and calf muscle pump ejection.

Description : A diagnostic test that involves injection of a contrast media into the venous system through a dorsal vein in the foot is termed a) contrast phlebography. When a thrombus exists, an x ... d) lymphoscintigraphy. In lymphoscintigraphy, a radioactive-labeled colloid is injected into the lymph system.

Last Answer : a) contrast phlebography. When a thrombus exists, an x-ray image will disclose an unfilled segment of a vein.

Glass transition temperature is detected through (A) X-Ray diffractometery (B) Solution calorimetery (C) Differential scanning calorimetery (D) Thermogravimetric analysis

Description : Glass transition temperature is detected through (A) X-Ray diffractometery (B) Solution calorimetery (C) Differential scanning calorimetery (D) Thermogravimetric analysis

Last Answer : (C) Differential scanning calorimetery

When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Description : When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Last Answer : ANSWER: Y -- BENDS TOWARDS A NORMAL TO SURFACE

An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected: w) back along the incident ray x) at 30 degrees to incident ray y) through the focal point z) through the center of curvature

Description : An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected: w) back along the incident ray x) at 30 degrees to incident ray y) through the focal point z) through the center of curvature

Last Answer : ANSWER: Y -- THROUGH THE FOCAL POINT 

Find the coordinates of the points on the curve `y=x^2+3x+4,` the tangents at which pass through the origin.

Description : Find the coordinates of the points on the curve `y=x^2+3x+4,` the tangents at which pass through the origin.

Last Answer : Find the coordinates of the points on the curve `y=x^2+3x+4,` the tangents at which pass through the origin.

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium

Description : Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium

Last Answer : Option C

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium

Description : Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium

Last Answer : Option C

A proton and an alpha particle pass through the gap of a strong magnet. If both particles have the same initial velocity, how many times greater will the defection of the proton be relative to the deflection of the alpha particle? Will it be: w) the same x) 2 times y) 4 times z) 8 times

Description : A proton and an alpha particle pass through the gap of a strong magnet. If both particles have the same initial velocity, how many times greater will the defection of the proton be relative to the deflection of the alpha particle? Will it be: w) the same x) 2 times y) 4 times z) 8 times

Last Answer : ANSWER: X -- 2 TIMES

In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be separated if: w) they have the same masses but different charges x) they have the same charges but different masses y) the products of their charges and their masses are equal z) the ratios of their charges to their masses are equal

Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal  

Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL 

Magnetic lines of force have all but one of the following characteristics. The one that they DO NOT have is: w) they go from the South-pole to the North-pole of a magnet outside of the magnet x) they are most concentrated at the poles of a magnet y) they pass through copper z) they never cross one another

Description : Magnetic lines of force have all but one of the following characteristics. The one that they DO NOT have is: w) they go from the South-pole to the North-pole of a magnet outside of the magnet ... most concentrated at the poles of a magnet y) they pass through copper z) they never cross one another

Last Answer : ANSWER: W -- THEY GO FROM THE SOUTH-POLE TO THE NORTH-POLE OF THE M AGNET 

We know that the OUTER core is liquid because: w) P waves pass through it x) S waves pass through it y) P waves cannot pass through it z) S waves cannot pass through it

Description : We know that the OUTER core is liquid because: w) P waves pass through it x) S waves pass through it y) P waves cannot pass through it z) S waves cannot pass through it

Last Answer : ANSWER: Z -- S WAVES CANNOT PASS THROUGH IT 

In geological studies, all of the following are TRUE of P waves except that they: w) are body waves x) travel like sound waves y) can pass through liquids z) are slower than S waves

Description : In geological studies, all of the following are TRUE of P waves except that they: w) are body waves x) travel like sound waves y) can pass through liquids z) are slower than S waves

Last Answer : ANSWER: Z -- ARE SLOWER THAN S WAVES