GK Practice Question and Answer
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Q: Which of the following statements is not correct?
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5f8fd438c380c466d4dd1840- 1The velocity of sound in air increases as the temperature increases.false
- 2The velocity of sound in air does not depend on pressure.false
- 3The velocity of sound in air decreases with the increase of humidity.true
- 4Noise velocity in air is not affected by change in amplitude and frequency.false
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Answer : 3. "The velocity of sound in air decreases with the increase of humidity."
Q: Mac Numbers are used in relation to velocity__.
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5f8fd2eef28f4b47be4b9347- 1Soundfalse
- 2Shipfalse
- 3Aircrafttrue
- 4Spacecraftfalse
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Answer : 3. "Aircraft"
Q: The value of the velocity of sound is the lowest.
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5f8fd0813ca2d767b181f610- 1Solidfalse
- 2Liquidfalse
- 3Gasestrue
- 4All of thesefalse
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Answer : 3. "Gases "
Q: The method of transmission of heat is-
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5f8fcfb67793eb35d72651bc- 1Conductionfalse
- 2Convectionfalse
- 3Radiationfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: Which is the force due to which the body is pulled towards the center of the earth?
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5f8fcee93ca2d767b181e989- 1Gravitational forcetrue
- 2Massfalse
- 3Momentumfalse
- 4impulsive forcefalse
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Answer : 1. "Gravitational force "
Q: Which elements are caused by different colors of firecrackers-
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5f8fcd993ca2d767b181dcbe- 1Zinc and sulfurfalse
- 2Potassium and mercuryfalse
- 3Stranium and Bariumtrue
- 4Chromium and Nickelfalse
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Answer : 3. "Stranium and Barium "
Q: Horizontal columns are called in the Periodic table.
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5f8fcd22f28f4b47be4b616c- 1Periodictrue
- 2Classfalse
- 3Electrical chemical sequencefalse
- 4Non-metalfalse
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Answer : 1. "Periodic"
Q: The basis of classification of elements in modern periodic table is based on___.
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5f8fcca5c380c466d4dcef2c- 1Atomic numbertrue
- 2Atomic massfalse
- 3Atomic volumefalse
- 4Atomic densityfalse
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Answer : 1. "Atomic number "
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