Last updated on September 2nd, 2024 at 10:55 pm
What shape was the ancient Indian compass (matsya-yantra) in?
- a) Fish-shaped
- b) Bird-shaped
- c) Arrow-shaped
- d) Star-shaped
Answer: a) Fish-shaped
What happens when you bring an iron bar near both poles of a magnet?
- a) It’s attracted to both poles
- b) It’s repelled by both poles
- c) It’s attracted to North and repelled by South
- d) Nothing happens
Answer: a) It’s attracted to both poles
What is the best way to identify a magnet?
- a) By its color
- b) By its weight
- c) By its property of repulsion
- d) By its shape
Answer: c) By its property of repulsion
Which of these is not a way to indicate the North pole of a magnet?
- a) N marking
- b) Red paint
- c) White dot
- d) Blue paint
Answer: d) Blue paint
How should you store bar magnets properly?
- a) With like poles together
- b) With unlike poles together
- c) Separately in different boxes
- d) Wrapped in metal foil
Answer: b) With unlike poles together
What does a freely suspended magnet always align with?
- a) The earth’s magnetic field
- b) The nearest metal object
- c) The direction of the wind
- d) The sun’s position
Answer: a) The earth’s magnetic field
What is the earth considered as, in terms of magnetism?
- a) A small magnet
- b) A giant magnet
- c) A non-magnetic body
- d) An electromagnet
Answer: b) A giant magnet
What material is often used in magnetic compasses?
- a) Copper needle
- b) Plastic needle
- c) Magnetized needle
- d) Wooden needle
Answer: c) Magnetized needle
What happens to the strength of magnetic force when distance increases?
- a) Increases
- b) Decreases
- c) Remains the same
- d) Becomes zero instantly
Answer: b) Decreases
In which direction does the red-painted end of a compass needle point?
- a) South
- b) East
- c) West
- d) North
Answer: d) North
What shape of magnet is often used in refrigerator door seals?
- a) Bar magnet
- b) U-shaped magnet
- c) Ring magnet
- d) Disc magnet
Answer: c) Ring magnet
What happens when you place a piece of glass between a magnet and iron filings?
- a) Iron filings are not attracted
- b) Iron filings are still attracted
- c) Glass becomes magnetic
- d) Magnet loses its power
Answer: b) Iron filings are still attracted
Which of these is not advised to be kept near magnets?
- a) Mobile phones
- b) Remote controls
- c) Wooden objects
- d) Both a and b
Answer: d) Both a and b
What type of magnets are those found in pencil boxes and toys?
- a) Natural magnets
- b) Artificial magnets
- c) Electromagnets
- d) Temporary magnets
Answer: b) Artificial magnets
