General Knowledge Practice Question and Answer
8 Q: The capacity of parallel plate condenser is dependent on the
435 063c8e9831c47ef334be0ee88
63c8e9831c47ef334be0ee88- 1The separation between the platesfalse
- 2The metal used for the constructiontrue
- 3The thickness of the platefalse
- 4The potential applied across the platesfalse
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Answer : 2. "The metal used for the construction"
Explanation :
Therefore, the capacity of a parallel plate capacitor directly depends on the relative permittivity of dielectric material, the permittivity of space, the area of plates, and is inversely dependent on the separation between the plates.
Q: What happens to the force acting between the charged particles, if the distance between these charged particles is halved?
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63c8e92bbdbddb32fda08d59- 1It increases by four timestrue
- 2It gets doubledfalse
- 3It becomes halffalse
- 4It reduces by one-fourthfalse
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Answer : 1. "It increases by four times "
Explanation :
So, when the distance between the two charges is halved, the force is increased four times.
Q: What is the constant of proportionality of an oscillator if the damping force is directly proportional to the velocity
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63c8e053bdbddb32fda05b2a- 1Kg.s-1true
- 2Kg.m.s-1false
- 3Kg.sfalse
- 4Kg.m.s-2false
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Answer : 1. "Kg.s-1"
Explanation :
The damping force of an oscillating particle is observed to be proportional to velocity. The constant of proportionality can be measured in. kgs−1.
Q: Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume
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63c8f8598731ac33279f04bb- 19 ufalse
- 264 utrue
- 327 ufalse
- 436 ufalse
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Answer : 2. "64 u"
Explanation :
Its molecular mass will be: 64u.
Q: The coefficient performance of a refrigerator is 5. If the temperature inside the freezer is -20℃, calculate the heat rejected to the surrounding
705 063c921551e8e3f3e1a3a5a0a
63c921551e8e3f3e1a3a5a0a- 1110Ctrue
- 2false
410C
- 3false
210C
- 4false
310C
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Answer : 1. "110C"
Explanation :
A heat pump is a heat engine working in reverse direction. A refrigerator is basically a heat pump, which is used to pump heat (absorbed from materials at lower temperatures inside the refrigerator) to the surroundings at higher temperatures. The coefficient of performance of a refrigerator is defined as the ratio of heat removed
Why
2
Energy from inside the refrigerator per cycle
w
given per cycle for heat removal,
α
,
Why
2
,
w
,
Q: Which of the following elements has the largest atomic radii?
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6419aed45bff3d098df69c79- 1Berylliumfalse
- 2Lithiumtrue
- 3Nitrogenfalse
- 4Carbonfalse
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Answer : 2. "Lithium"
Explanation :
Francium (Fr) has the highest atomic radius in the periodic table. It belongs to the alkali metals group. Its atomic number is 87. The periodic trend of atomic radius suggests that the atomic radius usually decreases along a period (left to right) and increases down a group (top to bottom).
Q: Who has become the first woman sniper of the Border Security Force (BSF)?
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65e9aa3ca731c7722ac93b1e- 1Shaliza Dhamifalse
- 2Shiva Chauhanfalse
- 3Deepika Mishrafalse
- 4Suman Kumaritrue
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Answer : 4. "Suman Kumari"
Explanation :
Border Security Force (BSF) sub-inspector Suman Kumari has become the first woman sniper of the Border Security Force. Suman recently completed an eight-week sniper course at the Central School of Weapons and Tactics (CSWT), Indore and achieved 'Instructor Grade'. Suman is a resident of Mandi district of Himachal Pradesh. She joined BSF in the year 2021.
Q: Who wrote "Unhappy India"?
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5d78bc4d0c830b6303af19c5- 1Bal Gangadhar Tilakfalse
- 2Lala Lajpat Raitrue
- 3Surrendranath Banerjeefalse
- 4Dadabhai Naorojifalse
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Answer : 2. "Lala Lajpat Rai"
Explanation :
(B) Lala Lajpat Rai
"Unhappy India" was written by Lala Lajpat Rai, a prominent Indian author and politician who played a significant role in the Indian independence movement. The book was published in 1928 and addressed various issues and challenges facing India during that time, expressing concerns about the impact of British colonial rule.