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P - 521. A boy uses spectacles of focal length -50 cm. Name the defect of the vision he is suffering from.
Anonymous Quiz
7%
πŸ”₯ a) Astigmatism
46%
πŸ”₯ b) Hypermetropia
44%
πŸ”₯ c) Myopia
3%
πŸ”₯ d) Presbyopia
P - πŸ”­522. How much intensity of the image is increased if the diameter of the objective of a telescope is doubled?
Anonymous Quiz
31%
πŸ”₯ a) Two times
55%
πŸ”₯ b) Four times
11%
πŸ”₯ c) Eight times
3%
πŸ”₯ d) Sixteen times
P - πŸ‡«πŸ‡·523. A fly is sitting on the objective of a telescope. What will be its effect on the final image of the distant object?
Anonymous Quiz
20%
πŸ”₯ a) Reduces
35%
πŸ”₯ b) Increases
38%
πŸ”₯ c) Remains constant
7%
πŸ”₯ d) Indefinite
P - πŸ’‘524. Two lenses of focal lengths 5 cm and 50 cm are to be used for making a telescope. Which lens will you use for the objective?
Anonymous Quiz
26%
πŸ”₯ a) Both
18%
πŸ”₯ b) Neither
31%
πŸ”₯ c) 5 cm
25%
πŸ”₯ d) 50 cm
P - πŸ‘€526. β€˜X’ can see objects in the ultra-violet light while human beings cannot do so. Identify X.
Anonymous Quiz
22%
πŸ”₯ a) Penguin
42%
πŸ”₯ b) Bees
26%
πŸ”₯ c) Ant
10%
πŸ”₯ d) Tiger
P - ↗️527. How does the magnifying power of a telescope change on increasing the diameter of its objective?
Anonymous Quiz
25%
πŸ”₯ a) Independent
49%
πŸ”₯ b) Doubled
19%
πŸ”₯ c) Halved
6%
πŸ”₯ d) Becomes zero
P - πŸ₯‡528. What focal length should the reading spectacles have for a person for whom the least distance of distinct vision is 50 cm?
Anonymous Quiz
33%
πŸ”₯ a) + 25 cm
29%
πŸ”₯ b) – 25 cm
26%
πŸ”₯ c) + 50 cm
12%
πŸ”₯ d) – 50 cm
P - πŸ“±529. An object is to be seen through a simple microscope of power 10 D. Where should the object be placed to reduce maximum angular magnification? The least distance for distinct vision is 25 cm.
Anonymous Quiz
18%
πŸ”₯ a) + 7.1 cm
32%
πŸ”₯ b) – 7.1 cm
40%
πŸ”₯ c) + 25 cm
10%
πŸ”₯ d) – 25 cm
P - πŸ“Š530. Which among the following relates scattering and wavelength of the particle?
Anonymous Quiz
19%
πŸ”₯ a) Rayleigh scattering
47%
πŸ”₯ b) Photon scattering
29%
πŸ”₯ c) Wave theory
5%
πŸ”₯ d) Cauchy’s formula
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DAY 64 πŸ‘€PRACTICE SESSIONπŸ“– FOR NURSING ENTRANCE EXAM 🩺 & PARAMEDICAL ENTRANCE EXAM πŸ§ͺ πŸ“±TELEGRAM :- https://t.me/jayacademy23 πŸ“±INSTAGRAM:- https://www.instagram.com/jayacademy_official/ πŸ“±YOUTUBE :- https://www.youtube.com/@Bscnursingexam
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