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- Question
RADAR is used for
Options- A. detecting and locating the position of objects such as Aeroplanes
- B. locating submerged submarines
- C. locating geostationary satellites
- D. receiving a signals in a radio receiver
- Correct Answer
- detecting and locating the position of objects such as Aeroplanes
ExplanationRADAR - RAdio Detection And Ranging.
A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects.Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.
Radio waves from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.
- 1. The minimum number of members that must be present to hold the meeting of the Lok Sabha is
Options- A. one-fourth of the total membership
- B. one-tenth of the total membership of the Houses
- C. 50 percent strength of the Lok Sabha
- D. at least 100 members Discuss
- 2. Against which team did Virender Sehwag make his one day international debut?
Options- A. New Zealand
- B. Sri Lanka
- C. Pakistan
- D. South Africa Discuss
- 3. What was the bowling figures (O-M-R-W ) of Anil Kumble in his ODI debut against Sri Lanka?
Options- A. 1.1-0-27-0
- B. 10-7-10-5
- C. 10-0-42-1
- D. 8.2-2-33-2 Discuss
- 4. Who is known as the 'Lady with the Lamp'?
Options- A. Florence Nightingale
- B. Sarojini Naidu
- C. Indira Gandhi
- D. Joan of Arc Discuss
- 5. Nuclear sizes are expressed in a unit named
Options- A. Fermi
- B. angstrom
- C. newton
- D. tesla Discuss
- 6. The study of human geography includes study of
Options- A. human society and culture
- B. behaviour and urban systems
- C. economics and politics
- D. All of the above Discuss
- 7. Pandit K. G. Ginde, was well known for his contribution in the field of?
Options- A. Music
- B. Sanskrit
- C. Dance
- D. Ayurveda Discuss
- 8. Which of the following was Satyajit Ray associated with?
Options- A. Classical music
- B. Commercial art
- C. Film Direction
- D. Classical dance Discuss
- 9. Naina Devi, was associated with field of?
Options- A. Social Service
- B. Stage acting
- C. Classical dance
- D. Vocal music Discuss
- 10. In vulcanisation, natural rubber is heated with
Options- A. Carbon
- B. Silicon
- C. Sulphur
- D. Phosphorous Discuss
More questions
Correct Answer: one-tenth of the total membership of the Houses
Correct Answer: Pakistan
Explanation:
Correct Answer: 10-0-42-1
Explanation:
Correct Answer: Florence Nightingale
Correct Answer: Fermi
Explanation:
Correct Answer: All of the above
Correct Answer: Music
Correct Answer: Film Direction
Correct Answer: Vocal music
Correct Answer: Sulphur
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