If the lenses are used in an astronomical telescope for normal usage, what is the distance between the two lenses?
Jika kanta-kanta itu digunakan dalam teleskop astronomi pada pelarasan normal, berapakah jarak di antara kedua-dua kanta itu?
6.5 OPTICAL INSTRUMENTS
Quiz
•
Physics
•
4th Grade
•
Hard
ROZIANA MOHAMAD
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the lenses are used in an astronomical telescope for normal usage, what is the distance between the two lenses?
Jika kanta-kanta itu digunakan dalam teleskop astronomi pada pelarasan normal, berapakah jarak di antara kedua-dua kanta itu?
4.0 cm
46.0 cm
50.0 cm
54.0 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnification of telescope?
Berapakah pembesaran teleskop itu?
2.2
8.5
12.5
25.0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which arrangement of objective lens, L0, eyepiece lens, Le, and position of image, I is correct for a microscope at normal adjustment ?
Susunan kanta objek, L0, kanta mata, Le, dan kedudukan imej, I manakah yang betul untuk satu teleskop pada pelarasan normal?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly describes the image formed by a thin converging lens when used as a magnifying glass?
Antara berikut, yang manakah menerangkan imej yang dibentuk oleh kanta penumpu yang nipis apabila digunakan sebagai kanta pembesar?
Real, upright, magnified
Nyata, tegak, diperbesar
Real, inverted, magnified
Nyata, songsang, diperbesar
Virtual, upright, Magnified
maya, tegak, diperbesar
Virtual, inverted, magnified
Maya, songsang, diperbesar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the similarity between a microscope and a telescope?
Aapakah persamaam antara mikroskop dengan teleskop?
The final image is real and inverted
Imej akhir kelihatan nyata dan songsang
Both use concave lens
kedua-duanya menggunakan kanta cekung
The objective lens for both produces real images
kanta objektif bagi kedua-duanya menghasilkan imej nyata
The distance between the two lenses is the total distance of the objective lens and the eyepiece lens.
Jarak di antara dua kanta ialah jumlah jarak fokus kanta objektif dan kanta mata
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure below shows the ray diagram of a telescope. What are the characteristics of the final image formed compared to the first image?
Rajah menunjukkan rajah sinar bagi sebuah teleskop. Apakah ciri-ciri imej akhir yang dihasilkan berbanding dengan imej pertama?
Virtual, upright, smaller
Maya, tegak, lebih kecil
Virtual, inverted, bigger
Maya, songsang, lebih besar
Real, inverted, smaller
Nyata, songsang, lebih kecil
Real, inverted, bigger
Nyata, songsang, lebih besar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure below shows the construction of a telescope on normal adjustment. The focal length of eyepiece lens, Q and objective lens, P are fQ and fP respectively. Which of the following is true?
Rajah di bawah menunjukkan binaan sebuah teleskop pada pelarasan normal. Panjang fokus kanta mata, Q dan kata objektif, P masing-masing ialah fQ dan fP . Antara berikut, yang manakah betul?
L = fQ + fP
L > fQ + fP
L > fQ - fP
L = fQ - fP
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