Physics: Space Physics: UPSC Previous Year Questions (Science and Technology)
1 previous year UPSC Prelims question on Physics: Space Physics (Science and Technology). Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 1–1 of 1 question
UPSC 1996Science and Technology · Physics: Space Physics
Q1. Consider the following statements: A person in a spaceship located half way between the earth and the sun will notice that the: (1) The sky is jet black. (2) stars do not twinkle. (3) The temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements:
Explanation
Statement 1 is correct: In space, there is no atmosphere to scatter sunlight, so the sky appears black, even during the day.
Statement 2 is correct: In space, stars appear as steady points of light because there is no atmospheric turbulence to cause them to twinkle, as we observe from Earth.
Statement 3 is correct: Space near the Sun is extremely hot, with temperatures rising significantly when exposed to direct sunlight. The spacecraft would experience extreme temperatures, which is why temperature regulation inside the spacecraft is essential for astronauts.
Answer key for these questions
Q
UPSC year
Correct answer
1
1996
(d) 1, 2 and 3 are correct
Frequently asked questions
How many previous year UPSC questions are there on Physics: Space Physics?
This page covers 1 previous year UPSC Prelims GS Paper-I questions on Physics: Space Physics (Science and Technology), asked from 1996 to 2008. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for Physics: Space Physics?
Questions on Physics: Space Physics (Science and Technology) are available for 5 years, from 1996 to 2008. Use the Year filter to practise a single paper.
