CBSE Pathshala

10th Science Term-I                           10th science Term II         10th Maths Term I X Real Numbers X Linear Equations in Two Variables X Polynomials X Similar Triangles X Trigonometry and Identities X Statics (Mean, median and Mode)

10th SA- 1 Sample Papers 2012-13 Mathematics Sample paper-1 Sample paper-2 Sample paper-3 Sample paper-4 Sample paper-5 Sample paper-6 New Addition Science   Sample Papers 2012-13  Sample paper-1 Sample paper-2 Sample paper-3 Sample paper-4 Sample paper-5 Sample paper-6

Chapter: 01-  Real numbers           Test paper – 01           FM: 30     Time: 45 min 1 mark questions 1. 3.24636363... is: (a) a terminating  decimal number                           (b) a non-terminating repeating decimal  number (c) a rational number                                           (d) both  (b) and (c) 2. For some integer q, every odd integer is of the form : (a) 2q                (b) 2q + 1           ...

Sadhana Devi Vidyapith,Samastipur ASSIGNMENT – 1, SESSION – 2012-2013  CLASS – X, SUBJECT – CHEMISTRY By JSUNIL CHAPTER- CHEMICAL REACTIONS AND EQUATIONS 1 mark questions:- 1. What change do you observe, when magnesium ribbon is burnt in air? 2. Give reason - Magnesium ribbon is to be cleaned before burning in air. 3. Define the term word equation? 4. Name the term used for the physical state of the solution of the reactant or product dissolved in water. 5. Write an example of decomposition reaction. 6. What is meant by thermal decomposition? 7. Name the chemical reaction in which heat is absorbed. 8. Name the gas which burns with a pop sound. 9. Name the type of reaction in which two or more substances combine to form a new single product. 10. What is Redox reaction? 2 and 3 marks questions Q.1 Express the following reactions in the form of chemical equations and balance them. Make an equation as informative as you can. Also mention the type of reaction :- (a) When...

Sadhana Devi Vidyapith, Samastipur ASSIGNMENT -1, (2012-13) By JSUNIL   Sub. – Physics, Class - X   Chapter -ELECTRICITY One mark questions 1. Define the term “electric current”. 2. Define the term ‘resistivity’ of a material. 3. How is a Voltmeter connected in the circuit to measure the potential difference between two points? 4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect these wires to get the effective resistance of 2 ohm? 5. If the distance between two electric charges is doubled, how much will the force exerting between them change to? Two marks questions 6. State Ohm’s law. “The resistance of a conductor is 1Ω.” What is meant by this statement? 7. Why are coils of electric toaster made of an alloy rather than a pure metal? 8. Why is the series arrangement not used for domestic circuits? 9. A wire of resistivity ‘r’ is stretched to double its length. How does it affect the (a) resistance (b) resistivity? 10. Write tw...

Sadhana Devi Vidyapith , Samastipur  ASSIGNMENT -1, (2012-13) By JSunil Sub. – Physics, Class - IX Chapter - MOTION 1 Mark questions Q. 1. Define the term displacement. Is it a vector quantity or a scalar quantity? Q. 2. Define the term distance. Is it a vector quantity or a scalar quantity? Q. 3. The displacement of a body can never be greater than the distance covered by a body. Is the statement true or false? Q. 4. Can a body have zero velocity and still acceleration? Give example. Q. 5. What is the nature of distance time graph for uniform motion of an object? Q. 6. What is the acceleration of a freely falling body? Q. 7. What is the acceleration of a body moving with uniform velocity? Q. 8. What does the slope of a distance-time graph gives? Q. 9. What does the area of a velocity-time graph gives? Q. 10. Give two examples of vector quantities. 2 Mar...

Sadhana Devi Vidyapith, Samastipur  ASSIGNMENT -1, (2012-13)  Sub. – Chemistry, Class   IX  Chapter: Matter in our surrounding NOTE  : Q 1 to 15 carries 2 marks each & Q 16 to 25 carries 3 marks each Q.1 Some substances cannot exist in the gaseous state, other cannot exist in the liquid state, and some cannot exist either in the gaseous or the liquid state. Giving suitable examples. Justify the above statement? Q.2 A student spilled a bottle of ammonia in one corner of the laboratory. Soon the whole laboratory was filled with pungent irritating smell. The students immediately opened the windows and doors and switched on the exhaust fans. After sometime, student got relief. Explain what did actually happen? Q.3 Carbon dioxide which is a gas under normal conditions of temperature and pressure can be liquefied by compressing it to 70 atm at ordinary temperature. What happens when...