Assignment on Fun with Magnets
Get top class preparation for CBSE right from your home: fully solved questions with step-by-step explanation- practice your way to success.
Question 1
What will happen if take magnetic compass near a bar magnetic?
(a) The needle will deflect
(b) The needle will not deflect
(c) the needle will reverse the direction
(d) None of these
Ans :- (a)
Question 2
The North end of the freely suspended magnet points towards?
(a) Geographical West
(b) Geographical East
(c) Geographical North
(d) Geographical South
Ans :- (c)
Question 3
Which of the following is true of magnets?
(a) Like poles repel each other
(b) Opposite pole attract each other
(c) Magnets has two poles (North and South)
(d) All the above
Ans :- (d)
Question 4
What is false of Magnets?
Magnetic power is more in the middle of bar magnets
Magnetite is a natural magnet
Magnetic compass always aligned towards North south direction
None of the above
Ans :- (a)
Question 5
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filing clinging to the?
North pole is almost equal to the south pole.
North pole is much more than the south pole.
North pole is much less than the south pole.
Magnet will be same all along its length.
Ans :- (a)
Question 6
(p)N- N | (U) Attraction |
(q) S- N | (V) Repulsion |
(r) S-S | |
(s) N-S |
P-> V,Q->U, R-> V,S-> U
P-> U, Q-> V, R-> V,S-> U
P-> V,Q-> U, R-> U,S-> V
None of these
Ans :- (a)
Question 7
The North pole of a magnetic needle is painted
Red
Blue
Green
Black
Ans :- (a)
Question 8
Statement A: Magnetism of a magnet is lost by Hampering
Statement B: Magnetism of a magnet is lost by breaking it
Statement A is correct only
Statement B is correct only
Both the Statement A and B are correct
Both the Statement A and B are incorrect
Ans:- (a)
Question 9
(p)Nickel | (u) Magnetic Material |
(q) paper | (v) Non Magnetic Material |
(r) Wood | |
(s) Iron |
P-> V,Q-> U, R-> V,S-> U
P-> U, Q-> V, R-> V,S-> U
P-> V,Q-> U, R-> U,S-> V
None of these
Ans:- (b)