What describes the Doppler Effect?
- Correct Answer: Change in wave frequency
- Light refraction
- Sound diffraction
- Energy dispersion
Explanation: The Doppler Effect describes changes in wave frequency due to motion. (Moderate)
More Random Questions
Q: The earth's gravitational force causes the moon to do what?
Ans: orbit the earth
Ans: orbit the earth
Q: What is the rule for driving near a hospital?
Ans: Avoid honking
Ans: Avoid honking
Q: Caffeine and alcohol are two examples of what type of drug?
Ans: psychoactive
Ans: psychoactive
Q: Which Indian women cricketer has been inducted into the ICC Hall of Fame on October 16, 2024?
Ans: Neetu David
Ans: Neetu David
Q: What does a glacier leave behind when it retreats?
Ans: bare rock
Ans: bare rock
Q: Which folk art form is known in Bihar’s Mithila region?
Ans: Madhubani
Ans: Madhubani
Q: Who will host the first e-sports Olympic Games?
Ans: Saudi Arabia
Ans: Saudi Arabia
Q: Who were jointly named as FICCI 'Youth Icons' on 4 September 2024?
Ans: Neeraj Chopra and Ayushmann Khurrana
Ans: Neeraj Chopra and Ayushmann Khurrana
Q: What is the fine for driving with defective wipers?
Ans: ₹5,000
Ans: ₹5,000
Q: In a plant, the flower contains what?
Ans: bud and stem
Ans: bud and stem
Q: What is the validity of a transport vehicle’s registration?
Ans: 5 years
Ans: 5 years
Q: What is the term for the preserved remains or traces of organisms that lived in the past?
Ans: detritis
Ans: detritis
Q: What was the largest monthly decline in the U.S. LEI since March 2023, reported in April 2025?
Ans: 1.0%
Ans: 1.0%
Q: Distinguished by the great red spot, what planet has an upper atmosphere containing ammonia clouds?
Ans: jupiter
Ans: jupiter
Q: A patient with placenta previa develops fetal distress. Which advanced procedure is indicated?
Ans: Emergency cesarean section
Ans: Emergency cesarean section
