Target icse essay writing package the very mention of the word essay evokes different reactions in different students. While some love to pen their thoughts, for many others it’s not a pleasurable or easy task. Understanding the various types of icse essays: narrative, descriptive, argumentative, reflective, social, humourous, picture composition how to identify the essay type best suited for you: which essay should you write? guided tutorials on how to write the various types of essays 30 sample essays 1.

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Why is the mechanical advantage of a lever of the third order is always less than l? give one example of this class of lever. Will a body weigh more in air or in vacuum when weighed with a spring balance? give a reason for your answer. When the test tube is floated in brine, 5g of lead shots were added to make it float upto level x. It takes a much longer time to boil off change to steam a certain quantity of water, rather than to bring it to its boiling point from room temperature, say 25 c. The diagram shows a point source of light s, a convex lens l and a plane mirror m.

These are placed such that rays of light, from s return to it after reflection from m. To which point left of s, on s, or right of s will the rays return, if m is moved to the left and brought in contact with l? ii. Where does the far point of a normal eye lie? where does it lie in a person suffering from myopia? ii. Draw a ray diagram to show how the defect of myopia can be remedied by f using a suitable lens. Two friends were playing on their identical guitars whose strings were adjusted to give notes of the same pitch. State two properties of the material of fuse wire which make it suitable for use. Calculate the electrical energy in si units consumed by a 100 w bulb and a 60 w fan connected in parallel for 5 minutes.

State two characteristics of a primary coil of a step up transformer when compared to the secondary coil. What is a 39 photoelectric effect 39 ? on what property of incident radiation does it depend to obtain photoelectric current? ii. A radioactive element first emits a beta particle and then an alpha particle and the resulting nucleus can be represented by what are the values of p and q in terms of a and z? i. Question 2 a in the diagram of a stationary wheel barrow, the centre of gravity is at a. The horizontal distance between a and f is 50 cm and that between b and f is 150 cm. What is the direction of the minimum force at b to keep the leg off the ground? what is this force called? 2 i. The weight of the wheel barrow is 15 kgf and it holds sand of weight 60 kgf calculate the minimum force required to keep the leg off the ground.

3 b an engine can pump 30,0 litres of water to a vertical height of 45 metres in 10 minutes g 9 bull 8 m/s2. Calculate the work done by the machine and its power density of water 103 kg/m3, 10 litres 1m3. Draw a labelled diagram of the apparatus you would use to determine the specdic latent heat of vaporisation of steam by the method of mixtures. State two precautions you would take, while performing the experiment with the apparatus. 4 c why do the surroundings become pleasantly warm when freezing starts in cold countries? 2 question 4 4 a draw a ray diagram to illustrate the action of a convergent lens as a reading lens or a magnifying glass.

B a prism deviates a monochromatic ray of light through an angle 39 delta 39 when the angle of incidence at the surface of the prism is 39 i 39. What is the relation between the angle of incidence and the angle of emergence when the ray suffers minimum deviation. Copy the diagram and complete the path of the ray ab along which it passes through the prisms and comes out. 2 question 5 a the rear view mirror of a motor bike starts vibrating violently at some particular speed of the motor bike. What could be done to stop the violent vibrations? b a sound wave of wavelength 0.332 m has a time period of 10 3 s.

If the time period is decreased to 10 4 s calculate the wavelength and frequency of the new wave. Name the subjective property of sound related to its frequency and of light related to its wavelength. Under what circumstances does one get an electric shock from an electric gadget? ii. What is meant by earthing of an electrical appliance? how does earthing offer protection? b in the figure shown calculate: 5 i. The value of the combined resitances of 40 ohm and r, using the readings of the two meters. What change would you expect to take place in the nature of its radioactivity? give a reason for your answer.

Explain briefly what change takes place within the nuclei, when beta particles are emitted from a radioactive substance? by saumil shrivastava icse board 2013 exams would be conducted in the month of february amp march. The board exams for class x amp class xii are conducted around the same time as those of central board exams. The board exams are planned in a way that they are over by the time the entrances for various undergraduate programs begin. Detailed syllabus for each discipline is available in the schools as well as on the official website.

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Students can prepare for the board exam using the specific units mentioned in the syllabus. Candidates should check their respective class timetables for preparing their revision timetables accordingly. To facilitate thorough preparation for students for any kind of school exam or competitive exams, meritnation offers a series of sample papers for all classes and subjects.

Sample papers offered by meritnation makes it simpler for students to practise, revise and solve all their doubts. We offer sample papers that are of the same format as students’ examination papers at school. Icse board study material offered by us is designed to cater to the requirements of students of classes 1 12. Icse board subjects like science, maths, social science, english, hindi, sanskrit and general knowledge are explained in effective detail, with assistance from quality videos and animations. Students also benefit from the vedic maths, olympiad and foundation course available to icse and isc board.

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