Optical Instruments MCQ Quiz - Objective Question with Answer for Optical Instruments - Download Free PDF
Last updated on May 15, 2025
Latest Optical Instruments MCQ Objective Questions
Optical Instruments Question 1:
A teacher gives the following materials to two groups of students :
Group A: Three rectangular glass strips, a circular plane glass plate, some pieces of bangles and cardboard tube and disk
Group B : Two plane mirrors and a hard cardboard/box
Which of the following gadgets can be prepared by the groups A and B using the above sets of materials?
|
Group A |
Group B |
|
|
1. |
Kaleidoscope | Periscope |
|
2. |
Periscope | Pinhole camera |
|
3. |
Periscope | Kaleidoscope |
|
4. |
Kaleidoscope | Newton's disk |
Answer (Detailed Solution Below)
Optical Instruments Question 1 Detailed Solution
Calcualtion:
Let's analyze the materials provided to both groups:
Group A: Three rectangular glass strips, a circular plane glass plate, some pieces of bangles, and a cardboard tube and disk.
Group B: Two plane mirrors and a hard cardboard/box.
Gadget 1: Kaleidoscope
A Kaleidoscope can be made using the following materials:
- Group A: Glass strips, cardboard tube, and disk (for making the tube and the reflective surfaces inside).
- Group B: Plane mirrors (for reflecting the images inside the kaleidoscope).
Thus, a Kaleidoscope can be made using the materials from both groups.
Gadget 2: Periscope
A Periscope requires mirrors to reflect light, typically used for looking over obstacles:
- Group A: Glass plate or pieces of bangles can be used for the reflective surface.
- Group B: Plane mirrors (for reflecting the light). The cardboard box could be used as the casing.
Therefore, a Periscope can also be made using the materials from both groups.
Correct Answer: Option 1: Kaleidoscope and Periscope can be made using the given materials.
Top Optical Instruments MCQ Objective Questions
Optical Instruments Question 2:
A teacher gives the following materials to two groups of students :
Group A: Three rectangular glass strips, a circular plane glass plate, some pieces of bangles and cardboard tube and disk
Group B : Two plane mirrors and a hard cardboard/box
Which of the following gadgets can be prepared by the groups A and B using the above sets of materials?
|
Group A |
Group B |
|
|
1. |
Kaleidoscope | Periscope |
|
2. |
Periscope | Pinhole camera |
|
3. |
Periscope | Kaleidoscope |
|
4. |
Kaleidoscope | Newton's disk |
Answer (Detailed Solution Below)
Optical Instruments Question 2 Detailed Solution
Calcualtion:
Let's analyze the materials provided to both groups:
Group A: Three rectangular glass strips, a circular plane glass plate, some pieces of bangles, and a cardboard tube and disk.
Group B: Two plane mirrors and a hard cardboard/box.
Gadget 1: Kaleidoscope
A Kaleidoscope can be made using the following materials:
- Group A: Glass strips, cardboard tube, and disk (for making the tube and the reflective surfaces inside).
- Group B: Plane mirrors (for reflecting the images inside the kaleidoscope).
Thus, a Kaleidoscope can be made using the materials from both groups.
Gadget 2: Periscope
A Periscope requires mirrors to reflect light, typically used for looking over obstacles:
- Group A: Glass plate or pieces of bangles can be used for the reflective surface.
- Group B: Plane mirrors (for reflecting the light). The cardboard box could be used as the casing.
Therefore, a Periscope can also be made using the materials from both groups.
Correct Answer: Option 1: Kaleidoscope and Periscope can be made using the given materials.