what is the average distance (approximate) between the Sun and the Earth?
Reviewed by Dalvoy
UPSC Civil Services preparation
- A70x105km
- B100x105km
- C110x106km
- D150x106kmCorrect
Explanation
The correct answer is D because the average distance between the Sun and the Earth is approximately 149.6 million kilometers. In scientific notation and simplified figures used in competitive exams, this is rounded to 150 million kilometers.
When expressed in the format provided in the options, 150 million is written as 150 times 10 to the power of 6 km. This distance is also known as one Astronomical Unit or AU. Options A, B, and C represent distances that are significantly shorter than the actual measured value.
Related questions
More UPSC Prelims practice from the same subject and topic.
- Prelims 2007GS1geography
Match List-I with List-II and select the correct answer using the code given below the lists: List-I (City) List-II (River) A. Bangkok 1. Irrawaddy B. Phnom-penh 2. Mekong C. Hanoi 3. Menam (Chao Phra…
- Prelims 2007GS1geography
Which one among the following rivers is the longest?
- Prelims 2007GS1geography
Through which one of the following Straits, does a tunnel connect the United Kingdom and France?
- Prelims 2007GS1geography
How is Steve Fossett known as?
- Prelims 2007GS1geography
Which one of the following countries is planning to construct a rival to the Panama Canal to link the Pacific and Atlantic oceans?
- Prelims 2007GS1geography
which one of the following cities does not have the same clock time as that of the other three cities at any given instant?