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PHYSICS MCQs

Total Questions : 3767 | Page 54 of 377 pages
Question 531. In the electrical circuit of a house, the fuse acts as
  1.    A load
  2.    A thermopile
  3.    A safety device
  4.    A step down device
 Discuss Question
Answer: Option C. -> A safety device
Question 532. Which of these is exhibiting kinetic energy?
  1.    An archer with a flexed bow
  2.    A person sitting on a couch while watching TV
  3.    A space station orbiting Earth
  4.    All of the above
 Discuss Question
Answer: Option C. -> A space station orbiting Earth
Question 533. The nature of fuse wire is
  1.    High resistance and low melting point.
  2.    High resistance and high melting point.
  3.    Low resistance and high melting point.
  4.    Low resistance and low melting point.
 Discuss Question
Answer: Option A. -> High resistance and low melting point.
Question 534. An object having the capability to do work is said to possess
  1.    Inertia
  2.    Force
  3.    Pressure
  4.    Energy
 Discuss Question
Answer: Option D. -> Energy
Question 535. In which form is the supplied heat energy stored during change in temperature of substance?
  1.    Heat energy
  2.    Kinetic energy
  3.    Potential energy
  4.    Both kinetic and potential energy
 Discuss Question
Answer: Option B. -> Kinetic energy
Question 536. What is another name for energy of motion?
  1.    Motional energy
  2.    Potential energy
  3.    Kinetic energy
  4.    Rotational energy
 Discuss Question
Answer: Option C. -> Kinetic energy
Question 537. The rate at which energy is transferred is called
  1.    Power
  2.    Watt
  3.    Volt
  4.    Potential
 Discuss Question
Answer: Option A. -> Power
Question 538. An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
  1.    275 J
  2.    110 J
  3.    2750 J
  4.    110 J
 Discuss Question
Answer: Option A. -> 275 J
Question 539. In which of the following processes is energy released ?
  1.    Respiration
  2.    Photosynthesis
  3.    Ingestion
  4.    Absorption
 Discuss Question
Answer: Option A. -> Respiration
Question 540. Rate of doing work is called
  1.    Capacity
  2.    Energy
  3.    Power
  4.    Current
 Discuss Question
Answer: Option C. -> Power

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