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Physics - Year 5 MCQ


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30 Questions MCQ Test - Physics

Physics for Year 5 2025 is part of Year 5 preparation. The Physics questions and answers have been prepared according to the Year 5 exam syllabus.The Physics MCQs are made for Year 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Physics below.
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Physics - Question 1

Radiocarbon is produced in the atmosphere as a result of

Physics - Question 2

It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Physics - Question 3

Siphon will fail to work if

Physics - Question 4
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
Physics - Question 5
Nuclear sizes are expressed in a unit named
Physics - Question 6
Light year is a unit of
Physics - Question 7
Mirage is due to
Physics - Question 8
Light from the Sun reaches us in nearly
Physics - Question 9
Stars appears to move from east to west because
Physics - Question 10
Pa(Pascal) is the unit for
Physics - Question 11
Planets do not twinkle because
Physics - Question 12
Planets do not twinkle because
Physics - Question 13
Metals are good conductors of electricity because
Physics - Question 14
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
Physics - Question 15
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
Physics - Question 16
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same
Physics - Question 17
Pick out the scalar quantity
Physics - Question 18
Rectifiers are used to convert
Physics - Question 19
out of the following, which is not emitted by radioactive substance?
Physics - Question 20
Sound waves in air are
Physics - Question 21
Magnetism at the centre of a bar magnet is
Detailed Solution for Physics - Question 21

Magnetism at the centre of a bar magnet is zero. This can be understood through the following points:

  • The magnetic field is created by the alignment of magnetic domains within the material.
  • At the ends of the bar magnet, known as the poles, the magnetic field is strongest.
  • However, at the very centre, these domains cancel each other out, resulting in no net magnetic field.
  • Consequently, the magnetic strength at the centre is not just lower; it is effectively zero.

Understanding this concept is crucial in fields such as physics and engineering, where the behaviour of magnetic materials is essential.

Physics - Question 22
It is more difficult to walk on a sandy road than on a concrete road because
Physics - Question 23
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
Physics - Question 24
Of the following properties of a wave, the one that is independent of the other is its
Physics - Question 25
Lux is the SI unit of
Physics - Question 26
On a rainy day, small oil films on water show brilliant colours. This is due to
Physics - Question 27
Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
Physics - Question 28
Materials for rain-proof coats and tents owe their water-proof properties to
Physics - Question 29
RADAR is used for
Physics - Question 30
Sound of frequency below 20 Hz is called
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