Basic GK Practice Question and Answer
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Q: Controls the amount of light entering the eye?
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5f6da4b2ff25c92a085bb8f2- 1Iristrue
- 2pupilfalse
- 3lensfalse
- 4side musclesfalse
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Answer : 1. "Iris"
Q: Is the image formed by a plane mirror always?
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5f6da46aec13dd748004ce67- 1virtual and vice versafalse
- 2Real and directfalse
- 3direct and virtualtrue
- 4Actualfalse
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Answer : 3. "direct and virtual"
Q: According to the law of reflection of light -
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5f6da417ff25c92a085bb0d5- 1The angle of incidence is greater than the angle of reflectionfalse
- 2The angle of incidence is equal to the angle of reflectiontrue
- 3The angle of incidence is smaller than the angle of reflectionfalse
- 4All the statements are truefalse
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Answer : 2. "The angle of incidence is equal to the angle of reflection"
Q: Creates a smaller image than the object?
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5f6da3be5256e8407c2e4412- 1convex mirrorfalse
- 2concave mirrorfalse
- 3plane mirrorfalse
- 4Convex mirror and concave mirrortrue
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Answer : 4. "Convex mirror and concave mirror"
Q: What is the nature of real reflection?
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5f6da372f9079a64e3c04432- 1Reversetrue
- 2straightfalse
- 3upright and upside downfalse
- 4None of thesefalse
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Answer : 1. "Reverse"
Q: Is a mirror always a direct reflection of the real object?
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5f6da310ff25c92a085ba817- 1flat, convex, concavefalse
- 2flat, concavefalse
- 3convex-concavefalse
- 4Plain, convextrue
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Answer : 4. "Plain, convex"
Q: What makes a virtual image of a real object?
1 05f6da2bdec13dd748004c084
5f6da2bdec13dd748004c084- 1convex mirrorfalse
- 2plane mirrortrue
- 3concave mirrorfalse
- 4All of thesefalse
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Answer : 2. "plane mirror"
Q: What is liberated when the base is dissolved in water?
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5f699109397b1a52908c9799- 1(OH) - iontrue
- 2H + ionfalse
- 3Both ionsfalse
- 4No ionfalse
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Answer : 1. "(OH) - ion"
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