Discussion
Home ‣ General Knowledge ‣ Physics See What Others Are Saying!
- Question
Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be
Options- A. 2
- B. 6
- C. 5
- D. 3
- Correct Answer
- 6
ExplanationNumber of spectral lines from a state n to ground state is
n(n-1)/2 = 6
- 1. Sanchi Stupa is located near
Options- A. Gaya
- B. Bhopal
- C. Varanasi
- D. Bijapur Discuss
- 2. Who invented Gunpowder?
Options- A. G. Ferdinand Von Zeppelin
- B. Sir Frank Whittle
- C. Roger Bacon
- D. Leo H Baekeland Discuss
- 3. Jeev Milkha Singh is associated with which sports?
Options- A. Volleyball
- B. Golf
- C. Athletics
- D. Hockey Discuss
- 4. The largest dry rock in India is situated at
Options- A. Mumbai
- B. Cochin
- C. Marmugao
- D. Kolkata Discuss
- 5. The landmass of which of the following continents is the least?
Options- A. Africa
- B. Asia
- C. Australia
- D. Europe Discuss
- 6. 'Vijay Stambha' is situated in
Options- A. Jaipur
- B. Agra
- C. Delhi
- D. Chittor Discuss
- 7. Balloons are filled with
Options- A. nitrogen
- B. helium
- C. oxygen
- D. argon Discuss
- 8. Plants hormone that induces cell division is
Options- A. auxins
- B. gibberellins
- C. kinins
- D. domins Discuss
- 9. The Vedic deity Indra was the Goddess of
Options- A. wind
- B. eternity
- C. rain and thunder
- D. fire Discuss
- 10. The minimum age required to become a member of Rajya Sabha is
Options- A. 21 years
- B. 25 years
- C. 30 years
- D. 35 years Discuss
More questions
Correct Answer: Bhopal
Correct Answer: Roger Bacon
Correct Answer: Golf
Correct Answer: Marmugao
Correct Answer: Australia
Correct Answer: Chittor
Correct Answer: helium
Correct Answer: kinins
Correct Answer: rain and thunder
Correct Answer: 30 years
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.