سال کا مختصر ترین دن کونسا ہے؟
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A. 22 June
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B. 21 January
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C. 21 December
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D. 21 November
Explanation
The shortest day of the year is 21st December.It is known as the Winter Solstice in the Northern Hemisphere.
It has the least daylight and the longest night of the year.
***
The longest day of the year is 21st June.
It is known as the Summer Solstice in the Northern Hemisphere.
It has the most daylight and the shortest night of the year.
***
The shortest day is around June 21 in Australia and December 21 in most of Asia.
The longest day is around December 21 in Australia and June 21 in most of Asia
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A. Lake
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B. Monument
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C. Historical place
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D. None of these
Explanation
- The Great Bear Lake is the largest lake entirely in Canada.
- It is the fourth-largest in North America.
- It is located in the Northwest Territories.
- It is known for its pristine waters and natural beauty.
زمین اپنے محور پر ایک گردش _______ میں مکمل کرتی ہے۔
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A. 23 hours and 56 mints and 4.9 seconds
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B. 23 hours and 30 mints
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C. 24 hours
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D. 24 hours and 1 mints and 10 seconds
Explanation
- The Earth takes approximately 23 hours, 56 minutes, and 4.9 seconds to complete one rotation on its axis, which is called a sidereal day.
- This is the time it takes for the Earth to rotate once relative to the fixed stars.
- The extra 4 minutes is due to the Earth's slightly ellipsoidal shape and the effects of the Moon's gravitational pull.
جدید فلکیات کا باپ کسے کہا جاتا ہے؟
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A. None of above
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B. Nicolous Copernicus
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C. Galileo Galilei
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D. Both a & b
Explanation
Nicolaus Copernicus is often referred to as the "father of modern astronomy."
اب تک لانچ کی گئی سب سے طاقتور خلائی دوربین کون سی ہے؟
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A. Hubble space telescope
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B. Voyager-1
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C. Kepler Space Telescope
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D. James Webb Space Telescope
Explanation
James Webb Space Telescope (JWST) is a space telescope designed primarily to conduct infrared astronomy.
24 December 2021: Planned launch date after a delay due to communication issues between the observatory and the Launch Vehicle
JWST was launched into space on 25 December 2021.
JWST is the world’s largest and most powerful space telescope developed by NASA.
JWST cost approximately $10 billion
SH26-8-2023
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A. Recall
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B. None of these
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C. Bottom
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D. Recollect
Explanation
Zenith means عروج
Bottom means نیچے
دن اور رات کس وجہ سے بنتے ہیں؟
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A. Earth’s rotation on its axis
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B. Earth’s rotation accompanied with its revolution
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C. None of these
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D. Earth’s revolution
Explanation
- The Earth revolves around the Sun.
- It is rotates on its own axis.
- The Earth's rotation causes day and night.
- One complete rotation takes 24 hours.
چاند کی تعداد سب سے زیادہ کس سیارے پر ہے؟
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A. Mars
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B. Jupiter
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C. Venus
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D. Saturn
Explanation
Please remember the following information about the number of moons in the planets:
Saturn: 145
Saturn has 145 moons recognized by the International Astronomical Union.
Uranus: 27
Neptune: 14
Mars: 2
Earth: 1
Venus: 0
Mercury: 0
مشہور ماہر فلکیات عمر خیام نے کون سا کیلنڈر متعارف کرایا؟
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A. Pin hole camera
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B. Jalali Calendar
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C. Chess
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D. None of these
Explanation
Omer-Khayam was born in Iran in 1048 AD.
Omer-Khayam was a poet, Mathematician & Astronomer.
Omer-Khayam introduced the modern Solar Hijri calendar, the Jalali calendar.
Place of burial: Tomb of Omar Khayyam, Iran
Main interests:
Mathematics (medieval Islamic); astronomy; Persian philosophy; Persian poetry
*****
RY 4-12-2022
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A. None of these
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B. Huge
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C. Similar
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D. Tiny
Explanation
Immense (huge) – بہت بڑا
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