Froggy Lens Adventure

Froggy Jumps

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Test your knowledge on image formation by convex lenses with this fun quiz!

Créé par

Tirah Faizah

Malaysia

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Froggy Lens Adventure


Froggy Jumps Froggy Lens AdventureVersion en ligne Test your knowledge on image formation by convex lenses with this fun quiz! par Tirah Faizah 1 What type of image does a convex lens produce when the object is beyond the focal point? a Real and upright b Virtual and upright c Real and inverted 2 What happens to the image when the object is placed at the focal point of a convex lens? a Image is real and inverted b Image is virtual and upright c No image is formed 3 Which of the following is true about the focal length of a convex lens? a It is negative b It is zero c It is positive 4 What type of image does a convex lens produce when the object is between the focal point and the lens? a Real and inverted b Virtual and upright c Real and upright 5 What is the principal focus of a convex lens? a The point where parallel rays converge b The center of the lens c The point where rays diverge 6 How does increasing the object distance affect the image distance in a convex lens? a Image distance decreases b Image distance increases c Image distance remains the same 7 What is the nature of the image formed by a convex lens when the object is very far away? a Real and enlarged b Virtual and enlarged c Real and diminished 8 Which formula is used to find the relationship between object distance, image distance, and focal length in a convex lens? a f = uv b 1/f = uv c 1/f = 1/v + 1/u 9 What happens to the image size when the object is moved closer to a convex lens? a Image size remains the same b Image size increases c Image size decreases 10 What is the effect of a convex lens on parallel rays of light? a They converge to a point b They diverge c They remain parallel 11 What type of lens is thicker in the center than at the edges? a Flat lens b Concave lens c Convex lens 12 What type of lens diverges light rays? a Concave lens b Biconvex lens c Convex lens 13 Where is the focal point located for a convex lens? a On the opposite side of the lens from the light source b At the lens center c On the same side as the light source 14 What happens to parallel rays of light passing through a concave lens? a They converge b They diverge c They remain parallel 15 What type of image is formed by a convex lens when the object is beyond the focal point? a Virtual and upright b Real and inverted c Real and upright 16 What is the focal length of a concave lens? a Negative b Positive c Zero 17 What type of image does a concave lens always produce? a Real and inverted b Virtual and upright c Real and upright 18 Which lens is used to correct nearsightedness? a Concave lens b Convex lens c Bifocal lens 19 What is the principal focus of a lens? a The center of the lens b The edge of the lens c The point where parallel rays converge or appear to diverge 20 What happens to the image distance when the object is moved closer to a convex lens? a It remains the same b The image distance decreases c The image distance increases

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Froggy Lens Adventure

Froggy Jumps

À propos de cette activité

Créé par

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Froggy Lens AdventureVersion en ligne

par Tirah Faizah

What type of image does a convex lens produce when the object is beyond the focal point?

What happens to the image when the object is placed at the focal point of a convex lens?

Which of the following is true about the focal length of a convex lens?

What type of image does a convex lens produce when the object is between the focal point and the lens?

What is the principal focus of a convex lens?

How does increasing the object distance affect the image distance in a convex lens?

What is the nature of the image formed by a convex lens when the object is very far away?

Which formula is used to find the relationship between object distance, image distance, and focal length in a convex lens?

What happens to the image size when the object is moved closer to a convex lens?

What is the effect of a convex lens on parallel rays of light?

What type of lens is thicker in the center than at the edges?

What type of lens diverges light rays?

Where is the focal point located for a convex lens?

What happens to parallel rays of light passing through a concave lens?

What type of image is formed by a convex lens when the object is beyond the focal point?

What is the focal length of a concave lens?

What type of image does a concave lens always produce?

Which lens is used to correct nearsightedness?

What is the principal focus of a lens?

What happens to the image distance when the object is moved closer to a convex lens?