6.5 OPTICAL INSTRUMENTS

6.5 OPTICAL INSTRUMENTS

4th Grade

10 Qs

quiz-placeholder

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6.5 OPTICAL INSTRUMENTS

6.5 OPTICAL INSTRUMENTS

Assessment

Quiz

Physics

4th Grade

Hard

Created by

ROZIANA MOHAMAD

Used 5+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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?

Media Image
Media Image
Media Image
Media Image

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

Media Image

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

Media Image

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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