Science GK Practice Question and Answer
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Q: Which metal has the highest melting point?
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6014062d2a5c813e157f7052- 1Osmiumfalse
- 2Tungstentrue
- 3Molybdenumfalse
- 4aluminumfalse
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Answer : 2. "Tungsten"
Q: Which of the following electromagnetic waves has the highest wavelength?
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601405e0d039355294ee28fd- 1Ultraviolet raysfalse
- 2Sunlightfalse
- 3Gamma raysfalse
- 4infrared raystrue
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Answer : 4. "infrared rays"
Q: When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?
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601404df2a5c813e157f5cce- 1The iris of his eye shrinkstrue
- 2The iris of his eye spreadsfalse
- 3The distance between the lens and retina of his eye increasesfalse
- 4The length of his eye lens increasesfalse
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Answer : 1. "The iris of his eye shrinks"
Q: Mac number is related
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601404975beea84b8ececf1c- 1At the speed of soundfalse
- 2At the speed of the shipfalse
- 3At the speed of the planetrue
- 4At the speed of the spacecraftfalse
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Answer : 3. "At the speed of the plane"
Q: When sunlight passes through a prism, which of the following colors has the highest refraction?
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601404495beea84b8ececd73- 1Bluetrue
- 2Redfalse
- 3Orangefalse
- 4Greenfalse
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Answer : 1. "Blue"
Q: Which of the following physical properties is not affected by quantity?
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601403fbd039355294ee19f6- 1Volumefalse
- 2massfalse
- 3weightfalse
- 4densitytrue
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Answer : 4. "density"
Q: What is the reason that the ball bounces higher at a higher place?
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601403a92a5c813e157f51b3- 1Because the air pressure is higher at higher places than at the plainsfalse
- 2Because the atmosphere is sparse at high places, the ball faces less resistancefalse
- 3Because the force of gravity is low at high placestrue
- 4Because the atmosphere is pure at high placesfalse
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Answer : 3. "Because the force of gravity is low at high places"
Q: Any moving body on earth comes to rest due to the following reason?
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60140352d039355294ee14dd- 1Due to inertial lawfalse
- 2due to friction forcetrue
- 3Due to momentum conservationfalse
- 4due to the force of gravityfalse
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Answer : 2. "due to friction force"
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