MCQ CBSE-6 Science L-13

Chapter 13: Fun with Magnets

Choose the correct answer,

Q1. The magnetic properties of a magnet cannot be destroyed by
(a) hammering
(b) heating
(c) dropping on a hard surface
(d) boiling


Answer: (d) boiling

Q2. Which two ends of a magnet are called magnetic poles?
(a) North pole
(b) South pole
(c) North and south pole
(d) Self demagnetisation


Answer: (c) North and south pole

Q3. Magnets attract
(a) wood
(b) plastic
(c) paper
(d) iron


Answer: (d) iron

Q4. Which is an example of a magnetic substance?
(a) Iron
(b) Nickel
(c) Cobalt
(d) All of these


Answer: (d) All of these

Q5. A freely suspended bar magnet rests in
(a) north-south directions
(b) east-west directions
(c) upside down
(d) any direction by chance


Answer: (a) north-south directions

Q6. Attraction is seen between the poles of two bar magnets in the case of
(a) N-pole of one magnet with N-pole of other
(b) N-pole of one magnet with S-pole of other
(c) S-pole of one magnet with S-pole of other
(d) all of these cases will show attraction


Answer: (b) N-pole of one magnet with S-pole of other

Q7. Which is a natural magnet?
(a) Magnetite
(b) Haemetite
(c) Bakelite
(d) Copper


Answer: (a) Magnetite

Q8. Choose the wrong statement
(a) Heat can destroy magnetic properties of a magnet.
(b) Magnets are made up of different materials and different shapes.
(c) There is a maximum attraction in middle of a magnet.
(d) Magnetite does not show magnetic properties.


Answer: (d) Magnetite does not show magnetic properties.

Q9. Magnets have a shape
(a) cylindrical
(b) ball ended
(c) horse shoe
(d) all of these


Answer: (d) all of these

Q10. When a bar magnet is brought near iron dust, most of the dust sticks
(a) near the middle
(b) equally everywhere
(c) near two ends
(d) at the middle and ends


Answer: (c) near two ends