Previous Year Paper year:2010 : ICSE-X-Physics

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ICSE-X-Physics

Previous Year Paper year:2010

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ICSE | PHYSICS
Board Paper 2010
Class X Physics
ICSE Board
Maximum Marks: 80 Time: One hour and a half
___________________________________________________________
1. Answer to this Paper must be written on the paper provided separately.
2. You will not be allowed to write during the first 15 minutes. This time is to be
spent in reading the Question Paper.
3. The time given at the head of this Paper is the time allowed for writing the
answers.
4. Section I is compulsory. Attempt any four questions from Section II.
5. The intended marks for questions or parts of questions are given in brackets [ ].

# [40]
Section : I
(Attempt all questions from this Section)

#1

#1-a [2]
Name the device used for measuring:

#1-a-i
mass
Ans : The mass is measured by using a balance scale, beam balance or laboratory balance. An analytical balance is used to measure mass to a very high degree of precision.

#1-a-ii
weight.
Ans : The weight is measured using a spring balance.

#1-b [2]
A boy weighs 360 N on the earth :
Ans : Answer has not given due to out of present syllabus.

#1-b-i
What would be his approximate weight on the moon?

#1-b-ii
What is the reason for your answer?

#1-c [2]
A body is acted upon by a force. State two conditions under which the
work done could be zero.
Ans : The two conditions are :
(i) Displacement is zero.
(ii) Angle between force and displacement is 90°.

#1-d [2]
A spring is kept compressed by a small trolley of mass 0.5 kg lying on
a smooth horizontal surface as shown in the figure given below :
When the trolley is released, it is found to move at a speed of ``\pu{2 m//s}``.

What potential energy did the spring possess when compressed?
Ans :

#1-e [2]
Name the subjective property :
Ans : (i) Pitch. (ii) Colour

#1-e-i
of sound related to its frequency.

#1-e-ii
of light related to its wavelength.

#2