Question

1 pc
3. Assertion : In Ring and Ball apparatus the Ball does not pass through the
ring after heating it. Reason: Heat causes Expansion of solids.
O Both Assertion and Reason are True and Reason is correct explanation of Assertion
O
Both Assertion and Reason are
True and Reason is not correct explanation of
Assertion.
o Assertion is True and Reason is False.
oAssertion is False and Reason is True.​

Answer 1

Answer:

These areas are called the poles. One pole is called the north pole, and the other is called the south pole. If the north pole of one magnet lines up with the south pole of another, the magnets pull together. If the north pole of one magnet meets the north pole of another (or south meets south), the magnets push apart.

Answer 2

Answer:

donot know to me sorry tor points only