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Q26. When is the sun visible at midnight in Norway?
- A21 March
- B23 September
- C21 June
- D22 December
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Answer: C) 21 June
Q27. The maximum distance of a planet from the Sun in its orbit is called?
- APerihelion
- Baphelion
- CApogee
- DPerigee
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Answer: B) aphelion
Q28. What is the minimum distance of a planet from the Sun in its orbit called?
- APerihelion
- Baphelion
- CApogee
- DPerigee
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Answer: A) Perihelion
Q29. The average distance between which of the following is called 'astronomical unit'
- AEarth and the Sun
- Bearth and moon
- CJupiter and the Sun
- DPluto and the Sun
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Answer: A) Earth and the Sun
Q30. What does 'midnight sun' mean?
- Aevening light
- Brising sun
- Cvery bright moon
- Dthe sun shines for a long time in the polar circle
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Answer: D) the sun shines for a long time in the polar circle
Q31. In which region is the midnight sun visible?
- Ain the Mediterranean region
- Bin the equatorial zone
- Cin the Arctic region
- Din the region east of Japan
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Answer: C) in the Arctic region
Q32. What is the 'dark spot' on the Sun?
- AThe Sun has a huge black hole
- BSpots are a source of energy during the day
- CSpots are areas that are unable to emit light.
- Dnone of these
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Answer: C) Spots are areas that are unable to emit light.
Q33. What is the percentage of hydrogen in the chemical composition of the Sun?
- A0.71
- B0.61
- C0.75
- D0.54
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Answer: A) 0.71
Q34. Which of the following is a star?
- AMoon
- BVesper
- CEarth
- DSun
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Answer: D) Sun
Q35. What is the approximate temperature of the solar surface?
- A800 degrees Celsius
- B600 degrees Celsius
- C6000 degrees Celsius
- D1000 degrees Celsius
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Answer: C) 6000 degrees Celsius
Q36. Apart from hydrogen, which other element is found in abundance on the surface of the Sun?
- Ahelium
- BNeon
- CArgon
- Doxygen
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Answer: A) helium
Q37. How many minutes does it take for sunlight to reach the Earth?
- A8.3
- B7.3
- C9.4
- D10
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Answer:
Q38. Which planet is closest to the Sun?
- AMercury
- BJupiter
- CVesper
- DFortunate
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Answer: A) Mercury
Q39. What is the number of days in a year in Mercury constellation?
- A300
- B56
- C36
- D88
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Answer: D) 88
Q40. Which planet has phases like the Moon?
- AFortunate
- BMercury
- CJupiter
- DSaturn
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Answer: B) Mercury
Q41. Which of the following planets does not have satellites revolving around them?
- AMars and Venus
- BMercury and Venus
- CMars and Mercury
- DNeptune and Pluto
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Answer: B) Mercury and Venus
Q42. Which of the following planets revolves around the Sun in the shortest time?
- AMercury
- BVesper
- CEarth
- DFortunate
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Answer: A) Mercury
Q43. The planet that revolves around the Sun at the fastest speed is-
- AMercury
- BEarth
- CJupiter
- DSaturn
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Answer: A) Mercury
Q44. Which of the following planets has the highest rotational speed?
- AMercury
- BVesper
- CFortunate
- DJupiter
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Answer: A) Mercury
Q45. Which of the following planets has the highest axial tilt?
- AEarth
- BMercury
- CPluto
- DSaturn
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Answer: B) Mercury
Q46. Which planet looks like the moon?
- AMercury
- BVesper
- CFortunate
- DVarun
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Answer: A) Mercury
Q47. Which planet in the solar system is almost as big as the Earth?
- AMercury
- BMangal
- CVesper
- DYama
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Answer: C) Vesper
Q48. Which of the following planets is called 'Earth's sister'?
- AMercury
- BVesper
- CFortunate
- DJupiter
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Answer: B) Vesper
Q49. Which planet is called the "evening star"?
- AFortunate
- BVesper
- CEarth
- DMercury
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Answer: B) Vesper
Q50. The brightest planet is-
- AJupiter
- BFortunate
- CVesper
- DMercury
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Answer: C) Vesper