General Science - Physics MCQs

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations.

11. Consider the following statements:
1. Largest fraction of electricity generated in India is coal based
2. Majority of imported coal in India is used in electricity production
Which among the above statements is / are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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12. Consider the following:

  1. Convex lens
  2. Concave lens
  3. Concave mirror
  4. Convex mirror
  5. Plane mirror

Which of the above can form a real image of a real object?

[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 2, 3 & 4
[D] Only 1, 3, 4 & 5

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13. The speed of an artificial satellite depends upon:

  1. Mass of the satellite
  2. Radius of orbit for the satellite
  3. Mass of the central body about which the satellite orbits
  4. Gravitational constant

Select the correct option from codes given below:

[A] Only 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 2 & 4
[D] 1, 2, 3 & 4

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14. Consider the following statements:

  1. Co-efficient of rolling friction is usually less than sliding friction.
  2. Static friction is usually greater than sliding friction.

Which of the above statements is/are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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15. Consider the following differences between White Gold and Yellow Gold:

  1. While White Gold has more Nickel, Yellow Gold usually contains more Zinc
  2. White Gold are more durable than Yellow Gold

Which of the above statements is/are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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16. With reference to the Milky way galaxy, which among the following statements is / are correct?
1.The Milky Way is a member of the Virgo super cluster
2.The two most massive members of the Virgo super cluster are the Milky Way and the Andromeda Galaxy
Choose the correct option from the codes given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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17. Consider the following statements with respect to the Thermionic emission:
1. It is caused by electrons or ions that break loose from the metal surface due to heat energy
2. A metal cannot emit thermions at all temperatures
Which among the above statements is / are correct ?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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18. Which of the following is/are a vector quantity?

  1. Temperature
  2. Work
  3. Kinetic Energy
  4. Momentum
  5. Power

Select the correct option from codes given below:

[A] 2 and 4 Only
[B] 4 Only
[C] 2, 3, 4 and 5 Only
[D] 1, 2, 3, 4 and 5

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19. With reference to Voltmeter and Ammeter, consider the following statements:
1. While a Voltmeter is connected in series in a circuit; Ammeter is connected in parallel
2. While resistance of an ideal voltmeter is infinity; resistance of an ideal ammeter is zero
Which among the above is / are correct statements?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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20. Which of the following can produce virtual images?

  1. Concave lenses
  2. Convex lenses
  3. Concave mirror
  4. Convex mirror
  5. Plane mirror

Select the correct option from codes given below:

[A] 1, 3 & 5 Only
[B] 2, 3 & 5 Only
[C] 1, 2, 3 & 4 Only
[D] 1, 2, 3, 4 & 5

Show Answer

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