Question 4 Which of the following statements are true of converging lenses? Sele

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Question 4

Which of the following statements are true of converging lenses? Select all that apply

A. Converging lenses are thicker at the center than they are at the edges

B.Converging lenses have a negative focal length

C. Converging lenses only produce real images.

D. Converging lenses can produce images which are both magnified and reduced in size.

E. Converging lenses only produce inverted images.

F. Converging lenses have a positive focal length.

G. The images formed by a converging lens can be located on either side of the lens relative to the object.

Question 5

Which of the following statements are true of virtual images? Select all that apply.

A. Virtual images are always upright.

B. Virtual images as formed by lenses are always located on the same side of the lens as the object.

C. Virtual images are only formed by diverging lenses, never by converging lenses.

D. Virtual images are always smaller than the object.

E. The image distance for virtual images is a negative value

F. Virtual images as formed by mirrors are always located on the same side of the mirror as the object

G. Virtual images have a negative magnification value.

A. Converging lenses are thicker at the center than they are at the edges

B.Converging lenses have a negative focal length

C. Converging lenses only produce real images.

D. Converging lenses can produce images which are both magnified and reduced in size.

E. Converging lenses only produce inverted images.

F. Converging lenses have a positive focal length.

G. The images formed by a converging lens can be located on either side of the lens relative to the object.

Question 5

Which of the following statements are true of virtual images? Select all that apply.

A. Virtual images are always upright.

B. Virtual images as formed by lenses are always located on the same side of the lens as the object.

C. Virtual images are only formed by diverging lenses, never by converging lenses.

D. Virtual images are always smaller than the object.

E. The image distance for virtual images is a negative value

F. Virtual images as formed by mirrors are always located on the same side of the mirror as the object

G. Virtual images have a negative magnification value.

Explanation / Answer

4. A. converging lenses are thicker at center and sharp at edges.

True.

B. converging lens +ve focal length.

false

C. converging lens do produce virtual image when object is inside focal length

false

D. True

E. in case of inside focal length, images are upright.

F. True

G. Yes, when real then other side of lens.

when virtual, image will be on the same side.

Ans: (ADFG)

5. Virtual.

(A) for single lens/mirror system, virtual images are always upright.

But if we take more than one lens/mirror or object is virtual then virtual image can be inverted.

So we will take it as true.(as we talks about one lens/mirror system)

(B) True.

(C) converging lens also forms virtual images when object is inside focal lenth.

false

(D) virtual images can be larger(in case of converging lens)
false

(E) Yes, virtual image means negative image distance.

True

(F) for mirror, virtual will be on other side.

False

(g) for virtual image, magnification is +ve.

false

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