191UPPSC2014General ScienceEnglish
Light appears to travel in a straight line because
Show answerAnswer & explanation
Correct option: C — The wavelength of light is very small
Free · past papers · answers included
General Science MCQ practice free online · page 20
Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.
No sign-up10 per pageAnswers & explanations
- 192UPPSC2002General ScienceEnglish
Which of the following statement is true?
Show answerAnswer & explanation
Correct option: A — The light has a greater velocity
- 193JPSC2003General ScienceEnglish
The speed of light in vacuum is nearly
Show answerAnswer & explanation
Correct option: B — 3 × 10⁸ m/s
- 194UPPSC2014General ScienceEnglish
Velocity of light is maximum in
Show answerAnswer & explanation
Correct option: C — Vacuum
- 195UPSC1994General ScienceEnglish
The speed of light will be minimum while passing through
Show answerAnswer & explanation
Correct option: A — Glass
- 196UPPSC2006General ScienceEnglish
The time taken to reach the Sunlight up to the surface of Earth is approximately
Show answerAnswer & explanation
Correct option: C — 8.5 minutes
- 197UPSC2001General ScienceEnglish
When light waves pass from air to glass the variable affected are
Show answerAnswer & explanation
Correct option: D — Wavelength and velocity
- 198UPPSC2003General ScienceEnglish
When light passes from one medium to another medium, which one of the following does not change?
Show answerAnswer & explanation
Correct option: D — Frequency
- 199UPPSC1998General ScienceEnglish
Which one of the following energy conversions takes place in carrying out the process of photosynthesis?
Show answerAnswer & explanation
Correct option: A — Light to chemical energy
- 200UPPSC2001General ScienceEnglish
The gas used in discharge tubes for optical decoration and advertising is
Show answerAnswer & explanation
Correct option: D — Neon
General Science practice — common questions
Page 20 of this set has 10 questions on it.
Are these General Science questions free to practise?
Yes. Every question on this page is free and needs no account. Create a free account only if you want your progress saved.
Where do these General Science MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".