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NTS MCQs

National Testing Service — Complete MCQ Bank

49 Questions
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NTS tests evaluate aptitude, analytical reasoning, quantitative ability, English and subject knowledge for admissions, scholarships and recruitment.

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1
Physics Medium

What is the function of an optical fibre?

  • ATo store electrical energy
  • BTo transmit light signals over long distances using total internal reflection
  • CTo measure temperature
  • DTo amplify sound waves
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Correct Answer: Option B — To transmit light signals over long distances using total internal reflection
Explanation: Optical fibres transmit light signals over long distances using total internal reflection within a glass or plastic fibre and are the backbone of modern high-speed internet communications.
Submitted by: PaperMCQs
2
Physics Medium

What is the terminal velocity of a falling object?

  • AMinimum speed during fall
  • BSpeed at which object first starts moving
  • CSpeed independent of mass
  • DMaximum speed reached when weight equals air resistance
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Correct Answer: Option D — Maximum speed reached when weight equals air resistance
Explanation: Terminal velocity is the constant maximum speed reached by a falling object when the downward gravitational force equals the upward air resistance force resulting in zero net force.
Submitted by: PaperMCQs
3
Physics Easy

Which process transfers heat through the movement of fluid currents?

  • AConvection
  • BConduction
  • CRadiation
  • DSublimation
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Correct Answer: Option A — Convection
Explanation: Convection transfers heat through the movement of fluids as warmer less dense fluid rises and cooler denser fluid sinks creating convection currents that distribute thermal energy.
Submitted by: PaperMCQs
4
Physics Medium

Which phenomenon explains why objects appear to weigh less when submerged in water?

  • ASurface tension
  • BBuoyancy
  • CCohesion
  • DAdhesion
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Correct Answer: Option B — Buoyancy
Explanation: Buoyancy is the upward force exerted by a fluid on a submerged object equal to the weight of fluid displaced making objects appear lighter as described by Archimedes' Principle.
Submitted by: PaperMCQs
5
Physics Easy

What is the SI unit of pressure?

  • ANewton
  • BJoule
  • CPascal
  • DWatt
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Correct Answer: Option C — Pascal
Explanation: The Pascal is the SI unit of pressure named after Blaise Pascal and defined as one Newton of force per square metre of area.
Submitted by: PaperMCQs
6
Physics Medium

What is the working principle of a hydraulic press?

  • APascal's law
  • BArchimedes' principle
  • CBernoulli's principle
  • DNewton's third law
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Correct Answer: Option A — Pascal's law
Explanation: A hydraulic press works on Pascal's Law where pressure applied to an enclosed fluid is transmitted equally in all directions allowing a small force to generate a much larger force.
Submitted by: PaperMCQs
7
Physics Medium

What is the relationship between work done and force in the direction of displacement?

  • AWork equals force times displacement
  • BWork equals force plus displacement
  • CWork equals force times time
  • DWork equals force divided by displacement
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Correct Answer: Option A — Work equals force times displacement
Explanation: Work done is defined as the force applied multiplied by the displacement in the direction of that force expressed as W equals Fd where both force and displacement must be in the same direction.
Submitted by: PaperMCQs
8
Physics Medium

Which type of energy is stored in a compressed spring?

  • AKinetic energy
  • BThermal energy
  • CElastic potential energy
  • DChemical energy
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Correct Answer: Option C — Elastic potential energy
Explanation: A compressed spring stores elastic potential energy due to the deformation of its molecular structure and this energy is released as kinetic energy when the spring is allowed to expand.
Submitted by: PaperMCQs
9
Physics Medium

What is meant by the term inertia in physics?

  • AThe tendency of an object to resist changes in its state of motion
  • BThe tendency of an object to accelerate
  • CThe force of gravity on an object
  • DThe energy stored in a moving object
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Correct Answer: Option A — The tendency of an object to resist changes in its state of motion
Explanation: Inertia is the property of matter by which an object resists changes to its state of rest or uniform motion in a straight line as described by Newton's First Law.
Submitted by: PaperMCQs
10
Physics Easy

Which law describes the relationship between the lengths of the sides of a right-angled triangle?

  • ANewton's Law
  • BPythagoras's Theorem
  • CKepler's Law
  • DCoulomb's Law
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Correct Answer: Option B — Pythagoras's Theorem
Explanation: Pythagoras's Theorem states that in a right-angled triangle the square of the hypotenuse equals the sum of the squares of the other two sides and is fundamental in physics calculations.
Submitted by: PaperMCQs
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