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Science - Physics General Knowledge — Science Questions & Practice

Practise 84 Science - Physics General Knowledge questions from Science for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Science - Physics General Knowledge — with answers

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1. Which of the following describes the Newton's First Law of Motion?

  1. AStates that an object remains at rest or in uniform motion unless acted upon by an external force
  2. BStates that the volume of a gas is directly proportional to its temperature at constant pressure
  3. CStates that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced
  4. DA process in which two light atomic nuclei combine to form a heavier nucleus, releasing energy
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Answer: A

'Newton's First Law of Motion' relates to: States that an object remains at rest or in uniform motion unless acted upon by an external force

2. The Newton's First Law of Motion states/refers to:

  1. AA phenomenon in which certain materials exhibit zero electrical resistance below a critical temperature
  2. BThe change in frequency of a wave in relation to an observer who is moving relative to the wave source
  3. CStates that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced
  4. DStates that an object remains at rest or in uniform motion unless acted upon by an external force
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Answer: D

'Newton's First Law of Motion' relates to: States that an object remains at rest or in uniform motion unless acted upon by an external force

3. Which law/concept is described as: 'States that an object remains at rest or in uniform motion unless acted upon by an external force'?

  1. AAbsolute Zero
  2. BBoyle's Law
  3. CNewton's First Law of Motion
  4. DNuclear Fission
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Answer: C

This corresponds to 'Newton's First Law of Motion'.

4. Identify the law/concept: 'States that an object remains at rest or in uniform motion unless acted upon by an external force'.

  1. AFleming's Right-Hand Rule
  2. BLaw of Refraction (Snell's Law)
  3. CNewton's First Law of Motion
  4. DNuclear Fission
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Answer: C

This corresponds to 'Newton's First Law of Motion'.

5. Which of the following describes the Newton's Second Law of Motion?

  1. AStates that force equals mass times acceleration (F = ma)
  2. BStates that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure
  3. CUsed to determine the direction of induced current in a conductor moving through a magnetic field
  4. DStates that an object remains at rest or in uniform motion unless acted upon by an external force
Show answer

Answer: A

'Newton's Second Law of Motion' relates to: States that force equals mass times acceleration (F = ma)

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