On a table, a weak magnet Y is placed near a strong magnet X, which is firmly fixed on the table, as shown in the figure below.

How will the magnet Y move?

Y will not turn at all.

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Y will turn in the clockwise direction.

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Y will turn in the anticlockwise direction.

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Cannot be determined.

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Solution

The correct option is C Y will turn in the anticlockwise direction.
The south pole of magnet X repels the south pole of magnet Y whereas it attracts the north pole of magnet Y. In other words, bottom end of Y moves rightwards and top end leftwards. Hence, it will rotate in anticlockwise direction.

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In an attempt to kill Batman , Joker devises another evil Plan.

He mounts a plane mirror AB on a turn table both of which are centered at O.
Around it he places a Death Laser on a ring shaped turn table which is concentric to the other turn table.
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On a table, a weak magnet Y is placed near a strong magnet X, which is firmly fixed on the table, as shown in the figure below. How will the magnet Y move?

The correct option is C Y will turn in the anticlockwise direction.The south pole of magnet X repels the south pole of magnet Y whereas it attracts the north pole of magnet Y. In other words, bottom end of Y moves rightwards and top end leftwards. Hence, it will rotate in anticlockwise direction.

On a table, a weak magnet Y is placed near a strong magnet X, which is firmly fixed on the table, as shown in the figure below.

How will the magnet Y move?

The correct option is C Y will turn in the anticlockwise direction.
The south pole of magnet X repels the south pole of magnet Y whereas it attracts the north pole of magnet Y. In other words, bottom end of Y moves rightwards and top end leftwards. Hence, it will rotate in anticlockwise direction.