What does the Doppler Effect describe?
- Correct Answer: Change in wave frequency
- Light refraction
- Sound diffraction
- Energy dispersion
Explanation: The Doppler Effect describes the change in wave frequency due to relative motion. (Moderate)
More Random Questions
Q: Who has secured the first position in the 'State Food Security Index 2024'?
Ans: Kerala
Ans: Kerala
Q: In Sharanghadhara Samhita, the Anupana for Chitrakadi Vati in Arsha is:
Ans: Buttermilk
Ans: Buttermilk
Q: According to Bhaishajya Ratnavali, which formulation is used for Kaphaja Arsha?
Ans: Triphala Vatika
Ans: Triphala Vatika
Q: What kind of volcano has a very wide base and is named because it looks like something a warrior would use?
Ans: shield volcano
Ans: shield volcano
Q: Which World War II event involved the Battle of El Alamein?
Ans: North African campaign
Ans: North African campaign
Q: What is the primary source of energy for Earth’s climate?
Ans: Solar radiation
Ans: Solar radiation
Q: Where has Prime Minister Modi launched the "Bima Sakhi Yojana" on December 9, 2024?
Ans: Panipat
Ans: Panipat
Q: Where has the 15-day water festival started?
Ans: Arunachal Pradesh
Ans: Arunachal Pradesh
Q: Who has been made the captain of the Indian team for the Women's T20 World Cup to be held on 29 August?
Ans: Harmanpreet Kaur
Ans: Harmanpreet Kaur
Q: What is the main cause of desertification in India?
Ans: Overgrazing
Ans: Overgrazing
Q: Which article establishes the Finance Commission?
Ans: Article 280
Ans: Article 280
Q: Who has won the Emerging Asia Cup 2024 title?
Ans: Afghanistan
Ans: Afghanistan
Q: In which country was the SCO Defence Ministers' meeting held on April 30, 2024?
Ans: Kazakhstan
Ans: Kazakhstan
Q: Reactants are substances that start what?
Ans: chemical reaction
Ans: chemical reaction
Q: Which World War II event involved the Yalta Conference?
Ans: Planning the post-war world
Ans: Planning the post-war world
