Magnetism Exe-10A Very Short Ans Concise Physics ICSE Class 9 Selina Publishers Solutions. There is the solutions of Very Short Answer type Questions of your latest textbook which is applicable in 2024-25 academic session. Visit official Website CISCE for detail information about ICSE Board Class-9 Physics.
Magnetism Exe-10A Very Short Ans Concise Physics ICSE Class 9 Selina Publishers Solutions
| Board | ICSE |
| Class | 9 |
| Subject | Physics |
| Writer / Publication | Concise selina Publishers |
| Chapter-10 | Magnetism |
| Exe-10A | Induced Magnetism and Neutral Point |
| Topics | Solution of Exe-10A Short Answer Type |
| Academic Session | 2024-2025 |
Induced Magnetism and Neutral Point
Magnetism Exe-10A Concise Physics ICSE Class 9 Selina Publishers Solutions
VERY SHORT ANSWER TYPE:
Question-1: Fill in the blanks to complete the sentences:
(a) Two ends of a magnet are called …………….. .
Ans-(a) poles
(b) Unlike poles of a magnet …………….. each other.
Ans-(b) attract
(c) Like poles of a magnet …………….. each other.
Ans-(c) repel
(d) A freely suspended magnet rests in the geographic …………….. direction.
Ans-(d) north-south
Question-2: Complete the following sentences:
(a) If the field lines in a magnetic field are parallel and equidistant, the magnetic field is ………………
Ans-(a) uniform
(b) At a neutral point, the resultant magnetic field is ……………..
Ans-(b) zero
(c) The neutral points of a bar magnet kept with its north pole pointing towards geographic north are located ……………….
Ans-(c) on either side of the magnet in east and west direction.
Question-3: Where is the magnetic south pole of the earth located?
Answer- Earth’s magnetic south pole lies near the geographic north pole.
Question-4: What kind of magnetic field is represented by parallel and equidistant lines ?
Answer- Eventually, the strength of the magnetic field is strong where the lines are closer and they weaken as they closeness decreases. Hence, if the field lines in a magnetic field are parallel and equidistant, the magnetic field is uniform.
Question-5: What is the angle between the magnetic axis of the earth and the axis of rotation of the earth ?
Answer- The magnetic axis of earth makes an angle of 17 degrees with the axis of rotation (geographic axis) as geographic poles do not coincide with earth’s magnetic poles but they are somewhat displaced.
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