class: sz3 jee-main model date: 17-05-2020 time: 3hrs …...: metals and non-metals:4.1 physical...

Corporate Office: 10th Floor, Melange Tower; No.80-84, Pathrika Nagar; Hitech-City, Madhapur, Hyderabad. Telangana - 500 081.

: 040-45009999(360/341) : [email protected] : http://www.narayanagroup.com

Class: SZ3 JEE-MAIN MODEL Date: 17-05-2020

Time: 3hrs WTM-08 Max. Marks: 300

IMPORTANT INSTRUCTIONS

PHYSICS

Section Question Type +Ve

Marks - Ve

Marks No.of

Qs Total marks

Sec – I(Q.N : 1 – 20) Questions with Single Answer Type 4 -1 20 80

Sec – II(Q.N : 21 – 25) Questions with Numerical Answer Type

(+/ - Decimal Numbers) 4 0 5 20

Total 25 100

CHEMISTRY

Section Question Type +Ve

Marks - Ve

Marks No.of

Qs Total marks




Total 25 100

MATHEMATICS Section Question Type

+Ve Marks

- Ve Marks

No.of Qs

Total marks




Total 25 100

mailto:[email protected]

http://www.narayanagroup.com/

SZ3_JEE-MAIN_WTM-08_QP_Dt.17-05-2020

Narayana CO Schools

2

–:SZ3 Jee-Main Exam Syllabus (17-05-20):–

TOPICS

PHYSICS

PRESENT WEEK 50%:

Electric current , potential difference, ohm's law, Factors affecting

resistance , specific resistance, Combination of resistances - series ,

parallel , mixed, Applications.

PREVIOUS WEEK 50%:

Refraction of light through prism, Dispersion of white light by a glass

prism , atmospheric refraction and scattering of light, applications,

Introduction to charge, kinds of charge, Properties of charge,

Methods of charging - friction, conduction, induction, applications.

TOPICS

CHEMISTRY

PRESENT WEEK 50%:

Activity 4.6, 4.7, 4.8,4.3 Uses of Metals and Non-metals, 3.1

Physical Properties, Activity 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.2

Chemical Properties of Metals, Activity 3.9, 3.10, 3.11, 3.12,

Activity series, 3.3 how do metals and non-metals react?,

Introduction, Activity 3.13 , 3.4 Occurrence of Metals & 3.5

Corrosion.

PREVIOUS WEEK 50%:

2.2 What do all Acids and all Bases have in Common?,

Activity 2.8, 2.9, 2.10, 2.3 How strong are Acid or Base soluitions?,

Introduction, Activity 2.11, 2.12, 2.4 More about Salts, Activity 2.13,

2.14, 2.4.3 Chemicals from common salt, Activity 2.15, MATERIALS

: METALS AND NON-METALS:4.1 Physical Properties of Metals and

Non-metals, Activity 4.1, 4.2, 4.2 Chemical Properties of Metals and

Non-metals, Activity 4.3, 4.4, 4.5.

TOPICS

MATHS

PRESENT WEEK 50%:

Progressions: (10th class NCERT/SSC ) Introduction, Arithmetic

Progressions, nth Term of an AP, Sum of First n Terms of an AP,

Problems on Arithmetic Progressions, Introduction, Geometric

Progressions nth Term of an GP, Sum of First n Terms of an GP,

Sum of Infinite Terms of an GP, Problems on Geometric

Progressions.

PREVIOUS WEEK 50%:

Proof of Quadratic formula, solution of Quadratic Equation by

Quadratic formula., Nature of roots, Application problems, Related

problems.

SZ3 _JEE-MAIN_WTM-08_QP_Dt.17-05-2020

Narayana CO Schools

3

SECTION-I(1-20)

(Single Answer Type)

This section contains 20 multiple choice questions. Each question has 4 options

(1), (2), (3) and (4) for its answer, out of which ONLY ONE option can be correct. Marking scheme: +4 for correct answer, 0 if not attempted and -1 in all other cases.

01. The twinkling of a star is due to the _____________of star’s light.

1) Atmospheric refraction 2) Refractive index

3) Atmospheric reflection 4) All of these

02. The refraction of light caused by the earth’s atmosphere (having air

layers of varying optical densities) is called _________refraction.

1) total 2) atmospheric

3) vertical 4) horizontal

03. The stars seem to be higher in the sky than they actually are due

to ____________

1) Atmospheric refraction 2) Horizontal refraction

3) Vertical refraction 4) All of these

04. White light is a mixture of ____________colours.

1) Three 2) Seven 3) Four 4) Five

05. Like charges ___________each other.

1) attract 2) repel 3) parallel 4) vertical

06. Unlike charges ___________each other.

1) attract 2) repel

3) parallel 4) vertical

07. When charges move, they constitute an ___________

1) electric attraction 2) electric current

3) electric repulsion 4) All of these


Narayana CO Schools

4

08. The device used to detect whether a body is charged (or) not

is__________

1) electroscope 2) electrons

3) negative charges 4) all of these

09. The process of electric discharge between clouds and the earth

causes______________

1) lightning 2) current 3) charge 4) ear time

10. The device used to protect buildings from the effect of lightning is

1) electroscope 2) lightning conductors

3) seismograph 4) all of these

11. The scattering of light by particles in its path is called________ effect

1) Tyndall 2)Atmospheric

3) Green 4) All of these

12. The blue colour of sky is due to _____________

1) Scattering of light 2) Refraction of light

3) Reflection of light 4) All of these

13. SI units of electric charge is ___________

1) sec 2) coulomb 3) volt 4) 2/m s

14. Number of electrons constituting one coulomb of charge is ________

1) 186.25 10 2) 186.95 10 3) 0 4) 181.9 10

15. The SI unit of potential difference is ____________

1) sec 2) volt 3) 2sec 4) 2m

16. The energy is given to each coulomb (1 coulomb) of charge passing

through a 6 volt battery is __________

1) 2J 2) 3J 3) 6J 4) 8J

17. SI unit of electric current is __________

1) sec 2) volt 3) coulomb 4) ampere

18. Those substances which have very low electric resistance are

called______________

1) good conductors 2) insulators

3) wires 4) all of these


Narayana CO Schools

5

19. Those substances which have infinitely high electrical resistance

are called____________

1) conductors 2) insulators

3) metals 4) all of these

20. SI unit of resistance is _________

1) ohm 2) sec 3) volt 4) 2m

SECTION-II(21-25)

(Numerical Value Answer Type)

This section contains 5 questions. The answer to each question is a Numerical

values comprising of positive or negative decimal numbers (place value ranging from Thousands Place to Hundredths Place). Eg: 1234.56, 123.45, -

123.45, -1234.56, -0.12, 0.12 etc. Marking scheme: +4 for correct answer, 0 in all other cases.

21. When a 12V battery is connected across an unknown resistor, there

is a current of 2.5mA in the circuit, then the value of the resistance

of the resistor is _________ohm ( ) .

22. If three resistances of each 6 are connected in parallel

combination, then the total combination resistance is

____________ohm.

23. A piece of wire of resistance R is cut into five equal parts. These

parts are then connected in parallel. If the equivalent resistance of

this combination is 1,R then the value of 1

R

R is

24. A copper wire of length 2m and area of cross section 6 24 10 m− has

a resistance of 22 10 .ohms− The resistivity of copper is

8_________ 10 .m−

25. Potential difference between two points of a wire carrying 4 ampere

current is 28 volt. The resistance between these points is

________ohm.


Narayana CO Schools

6

SECTION-I(26-45)


This section contains 20 multiple choice questions. Each question has 4 options (1), (2), (3) and (4) for its answer, out of which ONLY ONE option can be

correct. Marking scheme: +4 for correct answer, 0 if not attempted and -1 in all other cases.

26. Which of the following is/are metals?

1) Magnesium 2) Sodium

3) Lead 4) All

27. Which of the following is/are non-metals?

1) Carbon 2) Lead

3) Sulphur 4) Both (1) and (3)

28. All materials shown property of malleability except

1) Iron 2) Graphite

3) Aluminium 4) Silver

29. The property of metal by which it can be drawn into wires is called

1) Conductivity 2) Malleability

3) Ductility 4) Decorating

30. The metals that produce ringing sounds, are said to be

1) Malleable 2) Sonorous

3) Lustrous 4) Hard

31. Which metal is found in liquid state at room temperature?

1) Fe 2) Zn 3) Hg 4) Al

32. Sodium metal is stored in

1) Water 2) Alcohol

3) Kerosene 4) Ether


Narayana CO Schools

7

33. Which one of the following metal reacts vigorously with water?

1) Sodium 2) Potassium 3) Calcium 4) All

34. Which metal is present in calcium hydroxide

1) C 2) O 3) Ca 4) H

35. 2 3 22Al O NaOH Y H O+ ⎯⎯→ + ; In the above equation ' 'Y is

1) Aluminium oxide 2) Aluminium

3) Sodium aluminate 4) All

36. What is the chemical formula of sulphurous acid

1) H2SO4 2) SO2 3) H2SO3 4) SO3

37. The sulphuric acid turns blue litmus paper into

1) Red 2) Green

3) Yellow 4) Dark blue

38. pH of rain water is

1) <5.6 2) >5.6 3) 5.6 4) All

39. The natural source of oxalic acid is

1) Tamarind 2) Orange 3) Tomato 4) All

40. Natural source of citric acid is

1) Lemon 2) Ant sting

3) Nettle sting 4) All

41. What is the formula of sodium chloride?

1) 2NaCl 2) 2Na Cl 3) NaCl 4) All

42. What is the chemical formula of brine solution?

1) Na 2) NaOH

3) NaCl 4) Na2CO3


Narayana CO Schools

8

43. Which of the following is used as an oxidising agent in many

chemical industries?

1) Bleaching powder 2) Baking soda

3) Washing soda 4) All

44. 2 2 2P Cl CaOCl H O+ ⎯⎯→ + ; In this equation ' 'P is

1) CaO 2) ( )2

Ca OH 3) 2CaCl 4) All

45. Which of the following is used in glass, soap and paper industry?

1) Washing soda 2) Baking soda

3) Bleaching powder 4) All

SECTION-II (46-50)


This section contains 5 questions. The answer to each question is a Numerical values comprising of positive or negative decimal numbers (place value

ranging from Thousands Place to Hundredths Place). Eg: 1234.56, 123.45, -123.45, -1234.56, -0.12, 0.12 etc. Marking scheme: +4 for correct answer, 0 in all other cases.

46. How many kilometres(km) length can be drawn from one gram of

gold.

47. 2 3 3 22 3 .Al O XHCl AlCl H O+ ⎯⎯→ + In this reaction the value of X is

48. How many of the following are uses of metals.

Trains, aeroplanes, automobiles, water boilers, fertilisers, crackers

49. ( )2 2 22 .YXCu H O CO O Cu OH CuCO+ + + ⎯⎯→ + The sum of X Y+ value is

50. In sulphur dioxide gas how many sulphur atom(s) are there?


Narayana CO Schools

9

SECTION-I (51-70)


This section contains 20 multiple choice questions. Each question has 4 options (1), (2), (3) and (4) for its answer, out of which ONLY ONE option can be

correct. Marking scheme: +4 for correct answer, 0 if not attempted and -1 in all other cases.

51. The number of two-digit numbers which are divisible by 3 is

1) 35 2) 40 3) 30 4) 28

52. Th 11th term from the last term of the A.P: 10, 7, 4, …., –62

1) 30 2) – 33 3) –25 4) – 32

53. In a flower bed, there are 25 rose plants in the first row, 23 in the

second, 21 in the third and so on. There are 5 rose plants in last

row. Then the number of rows in the flower bed is

1) 12 2) 10 3) 11 4) 16

54. If 11th term and 16th term of AP are 38 and 73 respectively. Then

31st term of it is

1) 178 2) 187 3) 198 4) 168

55. The first and the last terms of an AP are 17 and 350 respectively.

If the common difference is 9. Then the sum of all the terms of this

AP is

1) 6972 2) 6974 3) 5556 4) 6973

56. If the sum of first 7 terms of an AP is 49 and sum of first 17 terms

is 289. Then the sum of first 10 terms is

1) 100 2) 120 3) 140 4) 160


Narayana CO Schools

10

57. Which of the term of 2, 8, 32, ... is 512?

1)10th 2) 7th 3) 5th 4) 12th

58. The 12th term of a G.P whose 8th term is 192 and the common ratio

is 2, is equal to

1) 123.2 2) 113.2 3) 123.2 4) 103.2

59. The sum of the given series 2 3 4 5 6

1 1 1 1 1 1....

2 3 2 3 2 3+ + + + + + is

1) 17

24 2)

19

24 3)

13

25 4)

11

27

60. Fifth term of a G.P is 2. Then the product of its first nine terms is

1) 216 2) 469 3) 512 4) 556

61. The number of terms in a G.P is, if ( ) ( )1 first term 3, last term 69na a= =

and ( )sum of terms 189.nS n =

1) 6 2) 5 3) 4 4) 7

62. The number of numbers that are divisible by 9 between 1 and 1000

is

1) 101 2) 110 3) 111 4) 100

63. If the sum of four numbers in A.P is 24 and the sum of their squares

is 164 then those numbers are

1) 2, 4, 6, 8 2) 3, 5, 7, 9

3) 1, 3, 5, 7 4) 4, 6, 8, 10

64. The roots of the quadratic equation 2 0x x+ + = are equal and 2 is

one root of the equation 2 12 0.x x+ − = Then the value of ( ) + is

1) 7 2) 5 3) 8 4) 9


Narayana CO Schools

11

65. The value of k for which the quadratic equation, 2 21 3 11kx kx x x+ = + −

has real and equal roots

1) 11, 3− − 2) 5, 7 3) 5, 7− 4) 6,7

66. The value of p for which the equation ( ) ( )2 2 1 3 7 3 2 0x p x p− + + + =

have equal roots, is

1) 10

1,9

− 2) 10

2,9

− 3) 10

3,9

− 4) 10

4,9

−

67. Both the roots of equation 2 3 0x x− − = are

1) real rational 2) real irrational

3) real and equal 4) imaginary roots

68. If the roots of the equation 2 22 2 6 0x mx m m+ + − + = are same, then

the value of m is

1) 3 2) 2 3) 0 4) – 1

69. If the equation ( ) ( ) ( )2 0m n x n l x l m− + − + − = has equal roots, then

1) 2l m n= + 2) 2m n l= + 3) 1m n= + 4) 1m n+ =

70. Roots of 2 0, 0x k k+ = are

1) imaginary 2) real and distinct

3) real and equal 4) rational

SECTION-II(71-75)


This section contains 5 questions. The answer to each question is a Numerical

values comprising of positive or negative decimal numbers (place value ranging from Thousands Place to Hundredths Place). Eg: 1234.56, 123.45, -

123.45, -1234.56, -0.12, 0.12 etc. Marking scheme: +4 for correct answer, 0 in all other cases.

71. The number of natural numbers n for which the equation

( ) ( )8 10x x n n− = − has no real solutions is


Narayana CO Schools

12

72. If the quadratic equation ( ) ( ) ( )21 2 1 3 1 8 0m x m x m+ − + + + = has equal

roots, then sum of all the possible values of m is

73. The number of equation of the form 2 1 0ax bx+ + = where

, 1,2,3,4a b having real roots

74. If the roots of the quadratic equation ( ) 23 2 5 0p x px p− − + = are real,

then the greatest value of p is

75. The greatest integral value of a , such that 2 3 6 0ax x+ − = has two

imaginary roots is

"Focus on the possibilities for Success, not on the potential for failure"

class: sz3 jee-main model date: 17-05-2020 time: 3hrs …...: metals and non-metals:4.1 physical...

Documents