Question

Name four material which are used for making permanet magnet​

Answer 1

Explanation:

Crossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______Crossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______Crossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______Crossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______

5. One of the rainbow’s colours

5. One of the rainbow’s colours

5. One of the rainbow’s colours

5. One of the rainbow’s coloursCrossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______

5. One of the rainbow’s coloursCrossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______Crossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______

5. One of the rainbow’s coloursCrossword Puzzle

Across

4. A convex lens is _____ lens

6. An image which can be obtained on a screen

Down

1. A concave lens is _____ lens

2. An image which cannot be obtained on a screen

3. Any polished or a shining surface acts as a _______

5. One of the rainbow’s colours

5. One of the rainbow’s colours

Answer 2

Answer:

Permanent magnets are made from special alloys (ferromagnetic materials) such as iron, nickel and cobalt, several alloys of rare-earth metals and minerals such as lodestone.