Choose the correct answer: The characteristics of the image are:

nature,direction,size,distance.

point of application, line of action ,direction, magnitude.

No characteristics of the image.

Choose the correct answer: If d=2 f where d is the distance between Object and lens and f is the focal length :

The image is equal to the object

The image is larger than the object

Choose the correct answer(s). The converging lens is:

Thin in the edges and thick in the center.

Collect the rays toward the optical axis.

Thick in the edges and thin in the center.

Scat the rays away from the optical axis.

Choose the correct answer: If d=f where d is the distance between Object and lens and f is the focal length :

The image is equal to the object

The image is larger than the object.

First Physics Quiz(test Quiz) Grade 8+9

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| By Mohamad Dhainy

Mohamad Dhainy

Community Contributor

Quizzes Created: 1 | Total Attempts: 82

| Attempts: 82

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1/7 Questions

What is the type of this lens?
- Converging lens
- Diverging lens

About This Quiz

This quiz is designed for students in grades 8 and 9, focusing on the basics of optics, specifically converging and diverging lenses, their properties, and image formation.

First Physics Quiz(Test Quiz) Grade 8+9 - Quiz

2.

Choose the correct answer: The characteristics of the image are:
- Nature,direction,size,distance.
- Point of application, line of action ,direction, magnitude.
- No characteristics of the image.
- Nature and size only
Correct Answer

A. Nature,direction,size,distance.

Explanation

The correct answer is nature, direction, size, and distance. These characteristics refer to the properties of an image. Nature refers to the type or quality of the image, direction indicates the orientation or angle of the image, size refers to the dimensions or scale of the image, and distance refers to the proximity or placement of the image in relation to other objects. These characteristics are important in understanding and analyzing an image.

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3.

Choose the correct answer: If d=2 f where d is the distance between Object and lens and f is the focal length :
- The image is equal to the object
- No image
- The image is larger than the object
Correct Answer

A. The image is equal to the object

Explanation

When the distance between the object and the lens is equal to twice the focal length, the image formed is equal in size to the object. This is because the rays of light from the object converge at the focal point and then diverge again, creating an image that is the same size as the object.

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4.

Choose the correct answer(s). The converging lens is:
- Thick in the edges and thin in the center.
- Thin in the edges and thick in the center.
- Collect the rays toward the optical axis.
- Scat the rays away from the optical axis.
Correct Answer(s)

A. Thin in the edges and thick in the center.
A. Collect the rays toward the optical axis.

Explanation

A converging lens is thin in the edges and thick in the center due to its shape and curvature. This shape allows the lens to bend and converge incoming parallel rays of light towards the optical axis, hence collecting the rays toward the optical axis.

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5.

Choose the correct answer: If d=f where d is the distance between Object and lens and f is the focal length :
- The image is equal to the object
- No image
- The image is larger than the object.
Correct Answer

A. No image

Explanation

If the distance between the object and the lens is equal to the focal length, there will be no image formed. This is because the rays of light coming from the object will be parallel to each other after passing through the lens, and they will not converge or diverge to form an image. Therefore, the correct answer is "No image."

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6.

What is the name of F , O and F'.
7.

Write about any specific ray in converging lens of issued from object B.
8.

8. A converging lens(L) with object AB of size =2 cm and distance from (L) =2 cm with focal length f=1 cm. Draw this lens on a paper then construct its image. Then capture a photo to it and upload it here.

Quiz Review Timeline (Updated): Mar 19, 2023 +

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Current Version
Mar 19, 2023

Quiz Edited by
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Apr 17, 2020

Quiz Created by
Mohamad Dhainy

First Physics Quiz(Test Quiz) Grade 8+9

What is the type of this lens?

Quiz Preview

Choose the correct answer: The characteristics of the image are:

Choose the correct answer: If d=2 f where d is the distance between Object and lens and f is the focal length :

Choose the correct answer(s). The converging lens is:

Choose the correct answer: If d=f where d is the distance between Object and lens and f is the focal length :

What is the name of F , O and F'.

Write about any specific ray in converging lens of issued from object B.

8. A converging lens(L) with object AB of size =2 cm and distance from (L) =2 cm with focal length f=1 cm. Draw this lens on a paper then construct its image. Then capture a photo to it and upload it here.