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Optical Instruments

September 7, 2021March 6, 2016 by

07b Formation of images in Optical Instruments

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SPM Form 4 Science Chapter 7

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Question 1 of 8

1. Question
1 points
Which of the following optical instruments produce a real image?
- 1. Slide projector
- 2. Periscope
- 3. Magnifying glass
- 4. Telescope
Correct

Well done! You are correct.

Incorrect

The correct answer is “Slide projector”.
Question 2 of 8

2. Question
1 points
Which of the following optical instruments does not use a convex lens in their operation?
- 1. Periscope
- 2. Telescope
- 3. Magnifying glass
- 4. Microscope
Correct

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Incorrect

The correct answer is “Periscope”.
Question 3 of 8

3. Question
1 points
Which of the following structure of the eye have the same function as that of the camera?

Eyes Camera

A Pupil Film

B Retina Aperture

C Iris Diaphragm

D Eye lens Focus adjuster
- 1. C
- 2. B
- 3. A
- 4. D
Correct

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Incorrect

The correct answer is “C”.
Question 4 of 8

4. Question
1 points
If a student come out from a dark room to a brighter place, the size of the pupil diminishes so as to
- 1. increase the amount of light entering his eyes
- 2. protect the eyes from ultraviolet light entering the eyes
- 3. protect the eyes from dust
- 4. reduce the amount of light entering his eyes
Correct

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Incorrect

The correct answer is “reduce the amount of light entering his eyes”.
Question 5 of 8

5. Question
1 points
Which of the following optical instruments uses plane mirrors?
- 1. Periscope
- 2. Photocopy machine
- 3. Camera
- 4. Magnifying glass
Correct

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Incorrect

The correct answer is “Periscope”.
Question 6 of 8

6. Question
1 points
The following statement is about an optical instrument.

·         Image is inverted

·         Forms real image

·         Image is same size as the object

What is this optical instrument?
- 1. Slide projector
- 2. Photocopy machine
- 3. Magnifying glass
- 4. Camera
Correct

Well done! You are correct.

Incorrect

The correct answer is “Photocopy machine”.
Question 7 of 8

7. Question
1 points
The following statement is about an optical instrument.

·         Image is upright

·         Forms virtual image

·         Image formed is larger than the size of the object

What is this optical instrument?
- 1. Camera
- 2. Magnifying glass
- 3. Periscope
- 4. Telescope
Correct

Well done! You are correct.

Incorrect

The correct answer is “Magnifying glass”.
Question 8 of 8

8. Question
1 points
The following statement is about an optical instrument.

·         Image is inverted

·         Forms real image

·         Image formed is smaller than the size of the object

What is this optical instrument?
- 1. Periscope
- 2. Plane mirror
- 3. Magnifying glass
- 4. Camera
Correct

Well done! You are correct.

Incorrect

The correct answer is “Camera”.

Categories Light and Optics

Post navigation

Formation of Images by Lenses

7.11.4 Addition and Subtraction of Coloured Lights

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