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UPSC Exam  >  UPSC Test  >  Science & Technology CSE  >  Important Questions Test: Motion & Measurement of Distances - UPSC MCQ

Motion & Measurement of Distances - Free MCQ Test with solutions, UPSC


MCQ Practice Test & Solutions: Important Questions Test: Motion & Measurement of Distances (10 Questions)

You can prepare effectively for UPSC Science & Technology for UPSC CSE with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Important Questions Test: Motion & Measurement of Distances". These 10 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 10

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Important Questions Test: Motion & Measurement of Distances - Question 1
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A moving swing has

Detailed Solution: Question 1

A swing moves back and forth in a regular, repeating pattern, which is characteristic of periodic motion. This type of motion repeats at regular intervals, such as the swinging of a pendulum.
A: Rectilinear motion refers to motion along a straight line, which is not the case for a swing.
B: Rotational motion refers to motion around a fixed axis, like a spinning wheel, not the type of motion a swing exhibits.
D: Circular motion refers to motion along a circular path, but a swing typically moves in a back-and-forth arc, not a full circle.
Thus, a moving swing exhibits periodic motion.

Important Questions Test: Motion & Measurement of Distances - Question 2
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What kind of motion a bullet shows when fired from a gun?

Detailed Solution: Question 2

 When a bullet is fired from a gun, it typically moves in a straight line in the direction of the force applied by the gunpowder's explosion. This is known as rectilinear motion, which refers to motion along a straight path.

A: Non-periodic motion refers to motion that does not repeat at regular intervals, which could describe some random or irregular movements, but the bullet's motion is more specific.
C: Random motion refers to motion without a definite pattern or direction, which does not apply to a bullet's path.
D: Circulatory motion is not a term used in the context of a bullet's movement, as a bullet moves in a straight line, not in a circular path.
Therefore, the bullet exhibits rectilinear motion.
Topic in NCERT: TYPES OF MOTION
Line in NCERT: "In all these examples we see that the objects move along a straight line. This type of motion is called rectilinear motion."

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Important Questions Test: Motion & Measurement of Distances - Question 3
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One hundred millimeters is equal to

Detailed Solution: Question 3

100 millimeters (mm) is equal to 10 centimeters (cm) because 1 cm = 10 mm. 

Let's verify the other options:

A: 10 dm is incorrect because 1 dm (decimeter) = 100 mm, not 100 mm = 10 dm.
B: 100 dm is incorrect because 100 millimeters is much smaller than 100 decimeters.
C: 1 m is incorrect because 1 meter = 1000 mm, not 100 mm.

Thus, 100 mm = 10 cm is the correct answer.
Topic in NCERT: Units of Measurement
Line in NCERT: "Each metre (m) is divided into 100 equal divisions, called centimetre (cm)."

Important Questions Test: Motion & Measurement of Distances - Question 4
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One meter is equal to _____________ mm.

Detailed Solution: Question 4

One meter is equal to 100 cm and one cm is equal to 10 mm. therefore, a meter is equal to 100 × 10 = 1000 mm.

Topic in NCERT: Units of Measurement

Line in NCERT: "Each metre (m) is divided into 100 equal divisions, called centimetre (cm). Each centimetre has ten equal divisions, called millimetre (mm)."

Important Questions Test: Motion & Measurement of Distances - Question 5
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Motion described by a simple pendulum is called

Detailed Solution: Question 5

The motion of an object that repeats itself after regular intervals of time is called periodic motion.
The motion of simple pendulum is an example of periodic motion.

Topic in NCERT: TYPES OF MOTION

Line in NCERT: "In some cases, an object repeats its motion after some time. This type of motion is called periodic motion."

Important Questions Test: Motion & Measurement of Distances - Question 6
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Which tool is best suited for measuring a curved line?

Detailed Solution: Question 6

For measuring a curved line, thread is the most appropriate tool because it can be bent along the curve to provide an accurate measurement.

After shaping the thread along the curve, its length can then be measured using:

  • a straightedge
  • other measuring tools

Important Questions Test: Motion & Measurement of Distances - Question 7
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Which of the following is not a unit of distance?

Detailed Solution: Question 7

  • Meter, Feet, and Kilometer are units of distance.
  • Kilogram is a unit of mass.

Topic in NCERT: SI Units and Measurement

Line in NCERT: "The SI unit of length is a metre."

Important Questions Test: Motion & Measurement of Distances - Question 8
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One cm is equal to

Detailed Solution: Question 8

1 centimeter is equal to 10 millimeters.
Therefore, the correct answer is (c) 10 mm.

Topic in NCERT: UNITS OF MEASUREMENT

Line in NCERT: "1 cm = 10 mm"

Important Questions Test: Motion & Measurement of Distances - Question 9
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Comparison of an unknown quantity with a known quantity is called

Detailed Solution: Question 9

Measurement is the process of comparing an unknown quantity with a known or standard quantity.
Therefore, the correct answer is (a) Measurement.

Topic in NCERT: MOTION AND MEASUREMENT OF DISTANCES

Line in NCERT: "We see that, measurement means the comparison of an unknown quantity with some known quantity."

Important Questions Test: Motion & Measurement of Distances - Question 10
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From the following options, the movement of blades of a fan is

Detailed Solution: Question 10

- Periodic Motion: The movement of fan blades is considered periodic motion because they repeat a pattern at regular time intervals. When a fan is turned on, its blades continuously rotate around a central axis at a constant speed, creating cycles of motion that repeat consistently.
- Other Options:
- Non-periodic motion refers to movements without regular intervals, which does not apply to fan blades.
- Rectilinear motion involves straight-line paths, not applicable to rotating blades.
- Thus, the correct answer is A: Periodic motion.

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About this UPSC Practice Test

This test contains 10 MCQs on Important Questions Test: Motion & Measurement of Distances with detailed solutions for each question. It is part of the Science & Technology for UPSC CSE course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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