What does the Doppler Effect describe?

Explanation: The Doppler Effect describes the change in wave frequency due to relative motion. (Moderate)

Join our channels for latest updates

Q: Who took over the Western Command of the Indian Air Force on January 11, 2025?
Ans: Air Marshal Jitendra Mishra

Q: Which city has been selected to host the 2027 World Athletics Championships as of March 1, 2024?
Ans: Beijing

Q: About IoT, which among the following is not correct?
Ans: IoT

Q: On May 11, 2024, which country has qualified to become a member of the UN?
Ans: Palestine

Q: In modern surgery, which condition is treated with a cystectomy?
Ans: Bladder cancer

Q: What do factories and power plants use to remove particulates and waste gases from exhaust before releasing it?
Ans: scrubbers

Q: What does the term decay in chemistry refer to with regards to atoms?
Ans: separation of nuclei

Q: On June 5, 2024, a new species of blue ant has been discovered in which state?
Ans: Arunachal Pradesh

Q: A species become separated and becomes two separate species. what can they not do anymore?
Ans: breed

Q: Where did the 'Virasat' exhibition start on August 5, 2024?
Ans: New Delhi

Q: On 23 August 2024, which airport achieved net zero carbon emission status?
Ans: IGI Delhi Airport

Q: According to the 'SIPRI Report,' which country has the highest military expenditure?
Ans: USA

Q: Which Indian cricketer has been appointed by the ICC as the ambassador for the Men's T20 World Cup 2024?
Ans: Yuvraj Singh

Q: What is the primary source of sulfur dioxide in the atmosphere?
Ans: Industrial emissions

Q: Which ruler supported trade and pilgrimage?
Ans: Ashoka