What is a converging lens ?

What is a converging lens ?
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Answer :

A lens whose center is thick and whose edges are relatively narrow is called convex or converging lens.
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Related questions

Which works like a converging lens ?

Description : Which works like a converging lens ?

Last Answer : Eyes that act like converging lenses

A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Is the image of the object real or virtual?

Description : A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Is the image of the object real or virtual?  

Last Answer : ANSWER: VIRTUAL

An object is located 1 meter in front of a converging lens having a focal length of 20 centimeters. At what distance behind the lens (whose thickness is negligible) will the image be formed? w) 18 centimeters x) 20 centimeters y) 22 centimeters z) 25 centimeters

Description : An object is located 1 meter in front of a converging lens having a focal length of 20 centimeters. At what distance behind the lens (whose thickness is negligible) will the image be formed? w) 18 centimeters x) 20 centimeters y) 22 centimeters z) 25 centimeters

Last Answer : ANSWER: Z -- 25 CENTIMETERS

An object located four focal lengths in front of a thin, converging lens is moved to within two focal lengths of the lens. As a result, does the size of the image produced by the lens increase, decrease or remain the same?

Description : An object located four focal lengths in front of a thin, converging lens is moved to within two focal lengths of the lens. As a result, does the size of the image produced by the lens increase, decrease or remain the same?

Last Answer : ANSWER: INCREASE

A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed?

Description : A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed?

Last Answer : ANSWER: -13.5 CENTIMETERS or 13.5 CENTIMETERS ON THE OBJECT SIDE OF THE LENS

17. A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging? -Physics-10

Description : 17. A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging? -Physics-10

Last Answer : Power of lens (P) = 1/f P = 1.5D f = 1/1.5 = 10/15 = 0.66 m A convex lens has a positive focal length. Therefore, it is a convex lens or a converging lens.

10. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed. -Physics-10

Description : 10. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed. -Physics-10

Last Answer : Height of the Object, h0 = 5 cm Distance of the object from converging lens, u = -25 cm Focal length of a converging lens, f = 10 cm Using lens formula, Thus, the image is inverted and formed at a distance of 16.7 cm behind the lens and measures 3.3 cm. The ray diagram is shown below.

A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination works as a converging lens of focal length `100 cm`. Cal

Description : A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination works as a converging lens of focal length `100 cm`. Cal

Last Answer : A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination ... length `100 cm`. Calculate power of concave lens.

Where should an object be placed from a converging lens of focal length 10 c, so as to obtain a virtual image of magnification 2 ?

Description : Where should an object be placed from a converging lens of focal length 10 c, so as to obtain a virtual image of magnification 2 ?

Last Answer : Where should an object be placed from a converging lens of focal length 10 c, so as to obtain a virtual image of magnification 2 ?

Where should an object be placed from a converging lens of focal length 20 cm, so as to obtain a real image of magnification 2?

Description : Where should an object be placed from a converging lens of focal length 20 cm, so as to obtain a real image of magnification 2?

Last Answer : Where should an object be placed from a converging lens of focal length 20 cm, so as to obtain a real image of magnification 2?

Is it true that at the focal point of a converging lens the object cannot be seen?

Description : Is it true that at the focal point of a converging lens the object cannot be seen?

Last Answer : 1

An object nearer to a converging lens than its focal point always has a/an ______ image. a. Inverted b. The same in size c. Virtual d. Smaller size

Description : An object nearer to a converging lens than its focal point always has a/an ______ image. a. Inverted b. The same in size c. Virtual d. Smaller size

Last Answer : c. Virtual

An object farther from a converging lens than its focal point always has a/an _____ image. a. Inverted b. The same in size c. Virtual d. Smaller size

Description : An object farther from a converging lens than its focal point always has a/an _____ image. a. Inverted b. The same in size c. Virtual d. Smaller size

Last Answer : a. Inverted

An object farther from a converging lens than its focal point always has an _______ image. A. virtual B. the same in size C. inverted D. smaller size

Description : An object farther from a converging lens than its focal point always has an _______ image. A. virtual B. the same in size C. inverted D. smaller size

Last Answer : C. inverted

A converging lens forms a three times magnified image of an object, which can be take on a screen. If the focal length of the lens is 30 cm, then the distance of the object from the lens is (a) - 55 cm (b) - 50 cm (c) - 45 cm (d) - 40 cm

Description : A converging lens forms a three times magnified image of an object, which can be take on a screen. If the focal length of the lens is 30 cm, then the distance of the object from the lens is (a) - 55 cm (b) - 50 cm (c) - 45 cm (d) - 40 cm

Last Answer : (d) - 40 cm

Short-sight defect could be corrected by a ------- lens? A. concave lens (Answer) B. convex lens C. converging lens D. none of these

Description : Short-sight defect could be corrected by a ------- lens? A. concave lens (Answer) B. convex lens C. converging lens D. none of these

Last Answer : A. concave lens (Answer)

An object nearer to a converging lens than its focal point always has a/an ______ image. ∙ a. Inverted ∙ b. The same in size ∙ c. Virtual ∙ d. Smaller size

Description : An object nearer to a converging lens than its focal point always has a/an ______ image. ∙ a. Inverted ∙ b. The same in size ∙ c. Virtual ∙ d. Smaller size

Last Answer : c. Virtual

An object farther from a converging lens than its focal point always has a/an _____ image. ∙ a. Inverted ∙ b. The same in size ∙ c. Virtual ∙ d. Smaller size

Description : An object farther from a converging lens than its focal point always has a/an _____ image. ∙ a. Inverted ∙ b. The same in size ∙ c. Virtual ∙ d. Smaller size

Last Answer : a. Inverted

A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a: w) red Doppler shift x) blue Doppler shift y) no Doppler shift

Description : A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a: w) red Doppler shift x) blue Doppler shift y) no Doppler shift

Last Answer : ANSWER: W -- RED DOPPLER SHIFT 

Are television, Internet and Hi Fi converging in your home?

Description : Are television, Internet and Hi Fi converging in your home?

Last Answer : answer:We'll still have tv's as monitors for entertaining friends. But they'll end up being the hifi' All in one. Networked with boxes (media centers) and computers. Everything will eventually move to overIP ... tv as an extra monitor - and also for the sound. Works great - got to love HD cables.

which of the following is accurate in describing converging and diverging lenses? -General Knowledge

Description : which of the following is accurate in describing converging and diverging lenses? -General Knowledge

Last Answer : The following is accurate in describing converging and diverging lenses:Diverging lenses will produce images behind the lens, and converging lenses will produce images in front of the lens.

Which of these effects generally occurs as the result of a warm air mass and a cooler air mass converging at Earth's surfaceGroup of answer choices?

Description : Which of these effects generally occurs as the result of a warm air mass and a cooler air mass converging at Earth's surfaceGroup of answer choices?

Last Answer : flash flooding

Which of the following is (are) converging mirror (s)?

Description : Which of the following is (are) converging mirror (s)?

Last Answer : Which of the following is (are) converging mirror (s)? A. Convex mirror B. Concave mirror C. Plane mirror D. Both (a) and (b)

The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image? (a) infinity (b) 30 cm (c) Between 16 cm and 30 cm (d) Between 0 cm and 15 cm

Description : The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image? (a) infinity (b) 30 cm (c) Between 16 cm and 30 cm (d) Between 0 cm and 15 cm

Last Answer : (d) Between 0 cm and 15 cm

Assertion (A): In hydrodynamic journal bearings, the rotating journal is held in floating condition by the hydrodynamic pressure developed in the lubricant. Reason (R): Lubricant flows in a converging-diverging channel. [IES-1994] (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true

Description : Assertion (A): In hydrodynamic journal bearings, the rotating journal is held in floating condition by the hydrodynamic pressure developed in the lubricant. Reason (R): Lubricant flows in a converging-diverging channel. [IES-1994] ... A (c) A is true but R is false (d) A is false but R is true

Last Answer : (a) Both A and R are individually true and R is the correct explanation of A

In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a: [IES-2005] (a) Diverging film (b) Converging-diverging film (c) Converging film (d) Flat film

Description : In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a: [IES-2005] (a) Diverging film (b) Converging-diverging film (c) Converging film (d) Flat film

Last Answer : (c) Converging film

A global consumer culture means that: a) cultural traditions and values are converging around the world. b) consumers are becoming very similar around the world. c) there is a world-wide demand for the same global brandsd) national cultures are disappearing around the world..

Description : A global consumer culture means that: a) cultural traditions and values are converging around the world. b) consumers are becoming very similar around the world. c) there is a world-wide demand for the same global brands. d) national cultures are disappearing around the world.

Last Answer : there is a world-wide demand for the same global brands

With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Pick out the correct statement pertaining to the flow through a converging-diverging tube. (A) The value of Mach number is always unity at the throat (B) No shock wave develops in the tube when the Mach number at exit is greater than unity (C) Throughout the converging portion of the tube, the density increases in the downstream direction (D) None of these

Description : Pick out the correct statement pertaining to the flow through a converging-diverging tube. (A) The value of Mach number is always unity at the throat (B) No shock wave develops in the tube ... the converging portion of the tube, the density increases in the downstream direction (D) None of these

Last Answer : (B) No shock wave develops in the tube when the Mach number at exit is greater than unity

Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these

Description : Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these

Last Answer : (A) Fluid flow at the inlet to a nozzle

In which of the following cases, it is possible for flow to occur from low pressure to high pressure? (A) Flow of liquid upward in a vertical pipe (B) Flow through a converging section (C) Flow of air downward in a pipe (D) Impossible in a constant cross-section conduit

Description : In which of the following cases, it is possible for flow to occur from low pressure to high pressure? (A) Flow of liquid upward in a vertical pipe (B) Flow through a converging section (C) Flow of air downward in a pipe (D) Impossible in a constant cross-section conduit

Last Answer : (B) Flow through a converging section

With the globalization of markets, the tastes and preferences of consumers world-wide are: A. Becoming similar to the tastes and preferences of American consumers. B. Converging upon a global norm. C. So different that they can be ignored by international organizations. D. Being encouraged by multinational organizations to become increasingly similar.

Description : With the globalization of markets, the tastes and preferences of consumers world-wide are: A. Becoming similar to the tastes and preferences of American consumers. B. Converging ... by international organizations. D. Being encouraged by multinational organizations to become increasingly similar.

Last Answer : Converging upon a global norm.

In a solution of the three-point problem in plane table surveying, the converging of error is attained through : (a) Concyclic concept (b) Bessel’s method (c) Triangle of error (d) Tracing paper method

Description : In a solution of the three-point problem in plane table surveying, the converging of error is attained through : (a) Concyclic concept (b) Bessel’s method (c) Triangle of error (d) Tracing paper method

Last Answer : (c) Triangle of error

In an area of converging air a. Clouds cannot be formed b. Clouds can be formed c. Convective clouds can be dissolved d. Stratified clouds can be dissolved

Description : In an area of converging air  a. Clouds cannot be formed  b. Clouds can be formed  c. Convective clouds can be dissolved  d. Stratified clouds can be dissolved

Last Answer : b. Clouds can be formed

Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless of the direction from which B approaches b. Aircraft B, regardless of the direction from which A approaches c. Aircraft A, if B is to the right of him d. Aircraft B, if A is to the left of him

Description : Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless of ... A, if B is to the right of him d. Aircraft B, if A is to the left of him

Last Answer : d. Aircraft B, if A is to the left of him

An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Description : An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Last Answer : b. Green

In an area of converging air a. Clouds cannot be formed b. Clouds can be formed c. Convective clouds can be dissolved d. Stratified clouds can be dissolved

Description : In an area of converging air a. Clouds cannot be formed b. Clouds can be formed c. Convective clouds can be dissolved d. Stratified clouds can be dissolved

Last Answer : b. Clouds can be formed

Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless of the direction from which B approaches b. Aircraft B, regardless of the direction from which A approaches c. Aircraft A, if B is to the right of him d. Aircraft B, if A is to the left of him

Description : Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless ... , if B is to the right of him d. Aircraft B, if A is to the left of him

Last Answer : d. Aircraft B, if A is to the left of him

An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Description : An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Last Answer : b. Green

Those blood cells you can see when you look at the sky--are those in the lens of your eye, or the retina, or where?

Description : Those blood cells you can see when you look at the sky--are those in the lens of your eye, or the retina, or where?

Last Answer : Do you mean ‘floaters’? https://www.mayoclinic.org/diseases-conditions/eye-floaters/symptoms-causes/syc-20372346

A convex lens has a focal length of 10 cm. At what distance from the lens should the object be placed so that it forms a real and inverted image 20 cm away from the lens? What would be the size of the image formed if the object is 2 cm high? With the help of a ray diagram show the formation of the image by the lens in this case. -Physics

Description : A convex lens has a focal length of 10 cm. At what distance from the lens should the object be placed so that it forms a real and inverted image 20 cm away from the lens? What would be the size of ... ? With the help of a ray diagram show the formation of the image by the lens in this case. -Physics

Last Answer : This is the Answe:

An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object is formed on the screen. What is the focal length of the convex lens and size of the image formed on the screen? Draw a ray diagram to show the formation of the image in this position of the object with respect to the lens. -Physics

Description : An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object ... diagram to show the formation of the image in this position of the object with respect to the lens. -Physics

Last Answer : Since, object-screen distance is double of object-lens separation, the object is at a distance of 2f from the lens and the image should be of the same size of the object.

Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: (i) at the centre of curvature of a concave mirror (ii) between the pole P and focus F of a concave mirror (iii) in front of a convex mirror (iv) at 2F of a convex lens (v) in front of a concave lens -Physics

Description : Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: (i) at the centre of curvature of a concave mirror (ii) between the pole P and focus F of ... front of a convex mirror (iv) at 2F of a convex lens (v) in front of a concave lens -Physics

Last Answer : Answer. Nature of image: Real, inverted and same size image is formed at the centre of curvature. Nature of image: Virtual, enlarged and erect image is formed behind the mirror. Nature of image: Virtual ... : Virtual, erect and diminished image is formed between O and F on the same side of object.

An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. -Physics

Description : An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. -Physics

Last Answer : The focal length' of convex length is 7.14 cm. Solution: The given quantities are Height of the object h = 50 cm Height of the image formed h' = -20 cm Image distance v = 10 cm The image ... object distance will be So the focal length will be Thus the focal length of the convex lens is 7.14 cm

A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Description : A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Last Answer : Answer. I hope it helped you.

Who was the originator of the lens formula ?

Description : Who was the originator of the lens formula ?

Last Answer : Newton was the originator of the lens formula.

What is Lens Addition or Cooperative ?

Description : What is Lens Addition or Cooperative ?

Last Answer : Multiple lenses can be placed in contact with each other in such a way that their main axes are in the same straight line. Multiple lenses that are in such contact with each other are called a combination of lenses.

What is an Apsari Lens ?

Description : What is an Apsari Lens ?

Last Answer : A lens whose center is narrow and whose side is thick is called concave or divergent lens.

What is a lens ?

Description : What is a lens ?

Last Answer : A transparent refractive medium bounded by two spherical surfaces is called a lens.