National Defence Academy NDA

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✍️ Scientific instruments and their uses ● Accelerometer ➠ speedometer ● Anemometer ➠ Instrument for measuring wind strength and speed ● Apicoiscope ➠ An instrument used to show opaque images on a screen ● Accumulator ➠ A device for storing electrical energy ● Actinometer ➠ An instrument used to measure the intensity of sunrays ● Audiometer ➠ Instrument used to measure the intensity of sound ● Audiophone ➠ A device worn in the ear to aid hearing ● Aerometer ➠ Instrument for measuring weight and density of air and gases ● Altimeter ➠ Instrument used to measure the height of airplanes ● Ammeter ➠ Instrument used to measure electric current in amperes ● Auriscope ➠ Instrument used to examine the inner part of the ear ● Avometer ➠ Instrument to detect faults in radio ● Barograph ➠ An instrument that records the changes in atmospheric pressure ● Barometer ➠ Instrument for measuring atmospheric pressure ● Binoculars ➠ An instrument that magnifies objects ● Bolometer ➠ Instrument for measuring thermal radiation ● Calipers ➠ Instrument for measuring the inside and outside diameter of cylindrical objects

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✍️ One Liner Competitive Exam GK ╨───────────────────━❥ Question: What is the state animal of Punjab?

Ans: Blackbuck

Question: Who presented the first budget after independence in India?

Ans: RK Shanmukham Chetty

Question: Which is the largest desert in the world?

Ans: Sahara

Question: When did Maharashtra and Gujarat become states?

Ans: 1 May 1960

Question: Where is the White House?

Ans: Washington, DC

Question: Tokyo is the capital of which country?

Ans: Japan

Question: Where is Fatehpur Sikri?

Ans: Uttar Pradesh

Question: Who discovered the electron?

Ans: JJ Thompson

Question: In which session was the national anthem of India sung for the first time?

Ans: Calcutta Session

Question: Who climbed Mount Everest 24 times?

Ans: Kami Rita Sherpa

Question: Where is Gandhi Stadium?

Ans: Jalandhar

Question: When was Guru Nanak Dev born?

Ans: 29 November 1469

Question: Who is the CEO of Google?

Ans: Sundar Pichai

Question: The Battle of Mandsaur was fought between whom?

Ans: The Battle of Mandsaur was fought in Mandsaur, India between the forces of the Maratha Empire and Jai Singh II of Amber

Question: When was the first Chandrayaan launched?

Ans: 22 October 2008

Question: How many articles are there in the Indian Constitution?

Answer: 470 articles

Question: Which acid is found in human stomach?

Answer: HCl

✍️ Important Question Based on Lucent GK Question 1- Which is the most abundant organic compound found in nature?

Answer: Cellulose

Question 2 – Under which branch of science is old age studied?

Answer:- Gerontology

Question 3– Dolomite (CaCO3) is the ore of what?

Answer: Calcium

Question 4– Which vitamin is found in citrus fruits?

Answer-Vitamin C

Question 5- What is the instrument called which measures the intensity of sound?

Answer: Audiometer

Question 6– What causes milk to turn sour?

Answer: By bacteria

Question 7 – Which colour in the spectrum of white light is deviated the most by a prism?

Answer:- Purple

Question 8– What is the refrigerant in a refrigerator?

Answer: Freon

Question 9- Which bacteria helps in making curd from milk?

Answer- Lactobacillus

Question 10 – What is the largest part of the human brain?

Answer - Cerebrum

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