ICSE Class 10 2013 Question Paper Physics (Science Paper - 1)

ICSE Class 10 2013 Question Paper Physics (Science Paper - 1). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

PHYSICS

SCIENCE Paper – 1

(One hour and a half)

Attempt all the questions from Section I and any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ].

Section A

Question 1

(a) Derive the relation between C G S and S I unit of force. 

(b) Classify the following into contact and non contact forces:

1. Tension 2. Friction 3. Gravitational force 4. Magnetic force. 

(c) Classify the following into levers as class I, class II or class III:

1. A door 2. Catapult 3. Wheelbarrow 4. Fishing rod.

(d) Where is the centre of gravity of the following objects situated?

l. Ring 2. Rhombus 3. Scalene triangle 4. Cylinder. 

Question 2

(b) When a ray of light passes from air to glass, for what angle of incidence, the ray will not be deviated. 

(c) Name the lens that always forms a virtual and erect image.

(d) A coin at the bottom of a trough containing water to a depth of 15 cm appears to be 3.75 cm raised above from the bottom. Calculate the refractive index of water. 

(e) Draw a ray diagram to illustrate how a ray of light incident obliquely on one face of a rectangular glass slab of uniform thickness emerges. 

Question 3

(a) What are the factors on which the following characteristics of a musical note depends? 1. intensity 2. timbre. 

(b) How does a trawler man catch fish in deep water?

(c) What are the factors on which resistance of a conductor depends? 

(d) Name the material used for:

(i) Electric fuse.

(ii) Connecting wire.

(iii) Filament of an electric bulb.

(iv) Heating element of an electric toaster.

(e) Give the harmful effects of global warming on lakes and oceans found frozen during winter. 

Question 4

(a) Calculate the wavelength of an electromagnetic wave of frequency 15 MHz. 

(b) State the function of a transformer. 

(c) State two uses of a cathode ray tube.

(d) Show by equations, the effect on the proton number Z and mass number A of the parent nucleus brought about by the two types of radioactive decay. 

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