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Olympiad Test: Fun with Magnets - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Olympiad Test: Fun with Magnets

Olympiad Test: Fun with Magnets for Class 6 2024 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Fun with Magnets questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Fun with Magnets MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Fun with Magnets below.
Solutions of Olympiad Test: Fun with Magnets questions in English are available as part of our Science Olympiad Class 6 for Class 6 & Olympiad Test: Fun with Magnets solutions in Hindi for Science Olympiad Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Olympiad Test: Fun with Magnets | 10 questions in 15 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study Science Olympiad Class 6 for Class 6 Exam | Download free PDF with solutions
Olympiad Test: Fun with Magnets - Question 1

Reeta puts two different objects in each of the following containers.
Container (i): Copper coin and iron nail
Container (ii): Steel nail and aluminium earring
Container (iii): Marble and gold can
Container (iv): Nickel coin and steel nail
She can use a magnet to separate the objects in containers

Detailed Solution for Olympiad Test: Fun with Magnets - Question 1

In containers (i) and (ii), iron nail and steel nail are magnetic while copper coin and aluminium earring are non-magnetic. In container (iii), both marble and gold coin are non-magnetic and in container (iv), both nickel coin and steel nail are magnetic. So, Reeta can use a magnet to separate the objects only in containers (i) and (ii).

Olympiad Test: Fun with Magnets - Question 2

Lisa did an experiment to find out which part of the magnet attracts the most pins. Which of the following readings is correct regarding the number of pins attracted by the different parts of the magnet?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 2

P and S are the poles of the magnet and the magnetic force is strongest at these ends. So, they will attract the maximum number of pins.

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Olympiad Test: Fun with Magnets - Question 3

Ashwini magnetized a piece of iron rod using the stroking method as shown in the diagram below,

Which part of the iron rod becomes the North-seeking pole?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 3

P becomes the North pole and S, where the rubbing magnet is lifted becomes the South pole.

Olympiad Test: Fun with Magnets - Question 4

A matchbox containing an unknown object is placed on a thin sheet of glass in the experimental set-up shown in the figure.

When the bar magnet moves, it is able to drag the match box along. What is most likely to be found in the matchbox?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 4

The match box must contain some magnetic material i.e., steel ball bearing.

Olympiad Test: Fun with Magnets - Question 5

Two magnets are placed in a container as shown in the figure by some external force. What would happen if the force on magnet P is removed?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 5

Since like poles repel each other, magnet P will repel magnet Q.

Olympiad Test: Fun with Magnets - Question 6

Three magnets X, Y and Z were dipped one by one in a heap of iron filings. Figure shows the amount of the iron filings sticked to them at the ends. The strength of these magnets will be in the order

Detailed Solution for Olympiad Test: Fun with Magnets - Question 6

More is the amount of iron filings stick to a magnet, the more is its strength. Hence, the correct order for the strength of given magnets is X > Y > Z.

Olympiad Test: Fun with Magnets - Question 7

A student hung a magnet on a spring coil as shown in the diagram.

Next, he held another magnet under the first magnet as shown here.

What had caused the spring coil to extend?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 7

The unlike poles were facing each other causing the two magnets to be attracted to each other. As magnet P moved towards magnet Q, the spring coil extended.

Olympiad Test: Fun with Magnets - Question 8

Which of the following is the best way to store/keep magnets?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 8

Wood placed across the poles will preserve the magnetism for a long time.

Olympiad Test: Fun with Magnets - Question 9

Which of the following statements is incorrect?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 9

Magnetic force is pulling as well as pushing force.

Olympiad Test: Fun with Magnets - Question 10

Lisa did an experiment to find out which part of the magnet attracts the maximum number of pins. Which of the following readings may be correct regarding the number of pins attracted by different parts of the magnet?

Detailed Solution for Olympiad Test: Fun with Magnets - Question 10

P and S are the poles of the magnet and the magnetic force is strongest at these ends. So, they will attract the maximum number of pins.

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