Guess Paper II Physical Science 10th Class.

PHYSICAL SCIENCES
Guess** Paper II Parts A and B
Time: 2 Hours Maximum Marks: 35

SECTION-I
5X2 = 10
Note: 1. Answer ANY FIVE questions choosing at least TWO from each of the following groups, i.e., Groups A & B.
2. Each question carries 2 marks.

Group-A

1. Differentiate between Rotatory and Circular motion.

2. State and Explain Inverse square law of magnetism.

3. Define a) Mass Defect. b) Binding Energy.

4. Draw the block diagram of computer.

Group-B

5. What information does Principal Quantum number and Magnetic Quantum number give?

6. Calculate the number of moles of NaOH present in 750 ml of 0.4 M solution.

7. What is Hydrogenation of oils. Write its equation.

8. Draw the structure of glucose and fructose/Aspirin and paracetamol.

SECTION-II

Note: 1. Answer any Four of the following six questions. 4X1 = 4
2. Each question carries 1 mark.

9. State Hooke's law.

10. Define Resonance?

11. What is magnetic moment?

12. Define Electron Affinity?

13. What is an Arrhenius Acid?

14. What is meant by saponification?

SECTION-III

Note: 1. Answer any Four questions, choosing Two from each of the following groups.
2. Each question carries 4 marks.
Group-A 4X4 = 16

15. Describe the method of determining velocity of sound in air.

16. State and verify Faraday's second law of electrolysis.

17. Explain the differences between artificial transmutation and artificial radio activity.

18. State the properties and uses of junction transistor.

Group-B

19. Explain the formation of co-ordinate covalent bond with an example.

20. What are the features of long form periodic table.

21. What are the reactions of group II A elements with hydrogen, chlorine, water and oxygen.

or

Substitution and addition reactions of alkanes and alkenes.

22. What is a drug? What are the characteristics of an ideal drug.

SECTION-IV

23. Diagram of Nuclear reactor.

24. Alcohol manufacture diagram.

guess paper 10th physical science

PHYSICAL SCIENCES
Guess** Paper I Parts A and B
Time: 2 Hours Maximum Marks: 35

SECTION-I
5X2 = 10
Note: 1. Answer ANY FIVE questions choosing at least TWO from each of the following groups, i.e., Groups A & B.
2. Each question carries 2 marks.
Group-A
1. What is a centrifuge? How does it work?
2. Draw the diagram of propagation of electromagnetic wave?
3. What is the effect of temperature on energy gap of a conductor?
4. What are the characteristics of a computer?

Group ‘B’

5. Why electron enters into 4s orbital but not 3d after filling 3p orbital?
6. Draw the shapes of a) H20, b) PCl5.
7. Naphthalene is soluble in kerosene but not in water give reason?
8. Define a) cold cream b) adhesive.

SECTION – II

Note: 1. Answer any Four of the following six questions. 4X1 = 4
2. Each question carries 1 mark.

9. What is simple harmonic motion?
10. What are nodes and antinodes?
11. State Hund’s rule.
12. Mention any two languages of a computer?
13. Why are NaCl and KCl added to magnesium in the preparation of magnesium?
14. What is pH of a solution?
or
What are primary nutrients?
SECTION – III

Note: 1. Answer any Four questions, choosing Two from each of the following groups.
2. Each question carries 4 marks.
Group ‘A’ 4X4 = 16

15. Give the comparison between Newton’s Corpuscular Theory and wave theory of light?
16. Derive 1/R = 1/R1 + 1/R2 + 1/R3?

17. Explain the construction and working of a Nuclear Reactor with a labeled diagram.

18. What are the basic principles of Radio and TV working?

Group ‘B’

19. Explain the formation of Triple Bond in Nitrogen?
20. How is magnesium extracted from Magnesite?
21. Write about four quantum numbers?
22. What are the structural features of dyes?

SECTION –IV (Marks: 1 x 5=5)

Note: 1. Answer Any One question from the following.
2. Each question carries 5 marks.

23. Draw the diagram of television broad casting.

24. Draw the diagram of manufacture of sugar in industry/ Moeller diagram.

** This paper is only for practice, made out of several years of experience in teaching 10th class physical sciences. This is only for the reference of the students during revision.

part-b

PART-B Choose the correct answer and write its letter in the brackets.   1.  Units of universal gravitational constant is             a)  m/sec2                   b)  N. m2/kg2                c)  N.m2. kg2                d)  m.sec2         [        ] 2.  For a freely falling body   a)  u=0                       b)  v = 0           c)  t = 0                        d)  u = 0 and v = 0       [       ] 3.  Wave length of microwaves is         a)  10m to 10cm                       b)  0.7 mm to 100 mm c)  0.4 mm to 1 mm  d)  10 mm to 10 m                                                             [       ] 4.  In a stationary wave, the point at which the displacement is maximum is called. a)  Node                      b)  Antinode                 c)  Crest           d)  Trough                    [       ] 5.  a- particle is a ----change particle a)  Negative                  b)  Positive       c)  Neutral        d)  Positive and Negative          [       ] 6.  Which of the following shell has the least energy a)  L                 b)  M               c)  K                d)  N                                                    [       ] 7.  CaO is ---- in nature. a)  Neutral                    b)  Amphoteric c)  Basic           d)  Acids                      [       ] 8.  Solubility of a substance depends on ----- a)  Nature of solute                   b)  Nature of solvent     c)  Temperature            d)  All   [       ]   9.  The bond angle of diamond is --- a)  10o281                     b)  109o381                  c)  109o181                   d)  109o281 10.  Which of the following is a mixed fertilizer a)  KCl             b)  NH4Cl        c)  KnO           d)  Nitrophos K                                    [        ]   II Fill in the blanks with suitable words.   11.  When a body moves towards the earth due to gravity is taken as _________________. 12.  A group of wavelength of frequencies is called  _________________ 13.  Steradians is the unit of _________________ 14.  Aluminium is a _________________. 15.  RPM stands for _________________ 16.  Naphthalene is soluble is _________________ 17.  The extent of ionization of water increases with increasing _________________. 18.  _________________enzyme breaks the Glucose. 19.  Gray hard balls of cement is called _________________. 20.  The _________________ period is incomplete.   III  Match the following.   i)        Group – 'A'                                                                 Group – 'B'   21.   Atomic number                 (        )   A) Sum of the number of protons and neutrons     22.  Mass defect                        (        )     B)  4n + 2       23.   Mass number                    (        )     C)  4n + 3   24.  Neptunium series               (        )     D)  4n   25.  Uranium Series                  (        )     E)   Number of protons                                                                                                     F)   4n + 1                   G)  Stability of atom   ii)      Group – 'A'                                                             Group – 'B'   26.   Ethyl alcohol                   (        )     I)  C12H22 O11 27.   Sucrose                            (        )     J)  C12H35COOH 28.  Alkane                              (        )   K)  Cn H2n+2. 29.  Stearic acid                       (        )   L)  C8H18. 30.  Alkyne                              (        )   M)  CnH2n-2                                                               N)  C2H5OH                                                               O)   CnH2n

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