AUTUMN BREAK
HOLIDAY HOMEWORK 2016
CLASS-X
ENGLISH
SHAKESPEARE GROUP
·
Write 20 idioms
·
Write 20 proverbs
·
Book review of any book of Ruskin Bond
·
Select a historical site in need of
conservation,research about its historical significance,identify the
threatening factors and suggests ways of preserving the geological
heritage.Prepare a P.P.T. by taking help from the unit ‘Environment( M.C.B).’
OR
·
Prepare P.P.T. on any one of the topic:
Shady Plot/
Rhyme of Ancient Mariner.
WORDSWORTH GROUP
·
On the basis of the article given at the page no
121 of M.C.B.,write a letter to the editor of a national daily expressing your
concern about the threat to the bio reserves.
·
On the basis of the design given on page no. 136
design a poster urging mountaineers to preserve the pristine glory of the
mountainsides .
·
Prepare P.P.T. on any one of the topic:
Shady Plot/
Rhyme of Ancient Mariner.
·
Write an article on “Love Food,Hate Waste.”
RUSKIN BOND GROUP
·
Write 50 verbs with all forms.
·
Write a letter to the editor of a newspaper on
the colossal wastage of food in the lavish Indian Weddings.
·
Design a poster for promoting cleanliness in the
surroundings of your colony.Take help from page no.135 (M.C.B.)
·
Write an article on the topic: “Respect
tourists, respect your country.”
NOTE: - STUDENTS WILL DO
H.H.W. ACCORDING TO THEIR GROUPS ONLY
HAPPY HOLIDAYS TO ALL.
KendriyaVidyalayaSec.3
,Rohini
AUTUMN BREAK
Holiday Homework
(2016-17)
Class X
Computers
|
X-A
Create a Webpage on 3G Technology.
|
X-B Create a Webpage on Types of
Printer.
X-C Create a Webpage on Latest
Technologies used to transfer data.
X-A Create a Webpage on Cyber Bullying.
XB Create a Webpage on Cloud Computing.
X-C Create a Webpage on Any IT Product.
X-B Create a Webpage on Different School Activities.
Note
:
·
Submit a hard copy
and a soft copy of the web page.
·
Hard copy/ Print
should be taken on A3 sheet only.
·
Your web page should include logo,
pictures, relevant text
and
different tabs related to the web site.
SCIENCE
HOLIDAYS HOME WORK
1. DEFINE THE PRINCIPAL FOCUS OF A
CONCAVE MIRROR?
2. THE RADIUS OF CURVATURE OF A
SPHERICAL MIRROR IS 20 cm .WHAT IS ITS FOCAL LENGTH?
3. NAME A MIRROR THAT CAN GIVE AN ERECT
AND ENLARGED IMAGE OF AN OBJECT?
4. WHY DO WE PREFER A CONVEX MIRROR AS A
REAR-VIEW MIRROR IN VEHICLES?
5. DEFINE 1 DIOPTRE OF POWER OF LENS?
6. FIND THE POWER OF A CONCAVE LENS OF
FOCAL LENGTH 2 cm.
7. WHICH SPHERICAL INCIDENT RAY RETRACES
ITS PATH AFTER REFLECTION FROM A
· CONCAVE MIRROR
· CONVEX MIRROR
8. WHAT WILL THE IMAGE BE FORMED BY A CONCAVE
MIRROR WHEN AN OBJECT IS PLACED BETWEEN THE POOLE AND THE FOCUS POINT OF MIRROR?
9. WHAT WILL BE THE FOCAL LENGTH OF A
LENS WHOSE POWER IS GIVEN AS + 2.0 D?
10.
WHAT
IS THE POWER OF A CONCAVE LENS OF FOCAL LENGTH 50 cm?
11.
ONE
HALF OF A CONVEX LENS IS COVERED WITH BLACK PAPER. WILL THIS LENS PRODUCE A
COMPLETE IMAGE OF OBJECT? EXPLAIN
12.
WHICH
ONE OF THE FOLLOWING MATERIALS CANNOT BE USED
TO MAKE A LENS? WITH EXPLAINATIONS
· WATER
· GLASS
· PLASTIC
· CLAY
13.
A
RAY OF LIGHT TRAVELLING IN AIR ENTERS OBLIQUENLY INTO WATER. DOES THE LIGHT RAY
BEND TOWARDS THE NORMAL OR AWAY FROM THE NORMAL? WHY?
14.
WHICH
OF THE FOLLOWING LENSES WOULD YOU PREFER TO USE WHILE READING SMALL LETTERS
FOUND IN A DICTONARY. EXPLAIN?
· A CONVEX LENS OF FOCAL LENGTH 50 cm.
· A CONCAVE LENS OF FOCAL LENGTH 50 cm.
· A CONVEX LENS OF FOCAL LENGTH 5cm.
· A CONCAVE LENS OF FOCAL LENGTH 5cm.
15.
· Define refraction index of a medium.
· Drew diagram to show the path of ray
of light when it goes from.
a) Air to glass
b) Water to air
KENDRIYA VIDYALAYA SECTOR-3 ROHINI
MATHEMATICS HOLIDAY HOME WORK
CLASSX
1.
If
the sum of the first 14 terms of an AP is 1078 and first term is 12, find
20th term.
2.
Find
the sum of first 31 terms of an AP whose nth term is given by 3+
2/3n.
3.
If
the sum of first 7 terms of an AP is 49 and that 17 terms is 289, find the sum
of its first n terms.
4.
If
a2,b2,c2 are in AP, prove that a/(b+c),
b/(c+a),c/(a+b) are in AP.
5.
The sum of first
p,q,r terms of an AP are a,b,c respectively, show that
a/p(q-r)+b/q(r-p)+c/r(p-q)=0
6.
Solve for x ,
1/(2a+b+2x)= 1/2a+1/b+1/2x
7.
Find a natural
number whose square diminished by 84 is equal to thrice of 8 more than the
given number.
8.
Find the roots of
the quadratic equation 5x2-2√15 x+3=0
9.
If the roots of
the equation (a-b)x2+(b-c)x+ (c-a)=0
are equal, prove that 2a=b
10.
A natural number,
when increased by 12, becomes equal to 160 times its reciprocal . Find its
number.
11.
The sum of two
numbers is 15 and the sum of their reciprocals is 3/10 ,find the numbers.
12.
Find the numbers
whose sum is 27 and product is 182.
13.
Find two
consecutive positive integers , sum of whose squares is 365.
14.
The difference of
squares of two squares of two numbersis 180. The squares of the smaller number
is 8 times the larger number.Find the numbers.
15.
Show that x=-2,
is a solution of 3x2+13x+14=0.
16.
How many terms of an AP 9,17,,25……….must be
taken to give a sum of 636?
17.
Find the sum of
odd numbers between 0 to 50.
18.
Which term iof
121,117,113………. Is its first negative term?
19.
Prove that sum of “n” terms of an Ap whose
first term is a, and common difference is d, is n/2(2a+(n-1)d) through an
activity.
20.
If Sndenotes the sum of first n
terms of an AP , Prove that
1.
परियोजनाकार्य :
प्रश्न 1. निम्नलिखितपरनिबंधलिखें-
क. मीडियाकासामाजिकउत्तरदायित्व
ख. आपदा-प्रबंधन
ग. आतंकवाद : एकचुनौती
प्रश्न 2. विज्ञानकेयुगनेहमेंअपनोंसेकैसेजोड़ावतोड़ाहै, इससंदर्भमेंअपनेमित्रकोएकपत्रलिखें.
2.
समानुदेशिककार्य
प्रश्न 1. रसवउसकेभेड़ोंकोबतातेहुएप्रत्येककाएक-एकउदहारणदें.
प्रश्न 2. सरल, संयुक्तवमिश्रवाक्यकेदो-दोउदहारणदें.
3.
क्रियाकलाप :
प्रश्न 1. सिक्किमकीराजधानी, प्राकृतिकसौन्दर्य, वेश-भूषा, धर्म, कला-संस्कृति, दर्शनीयस्थलवमुख्यआकर्षणकेन्द्रोंकावर्णनकरतेहुएप्रारुपतैयारकरेतथासमूहानुसारएकपी.पी.टी. तैयारकरें.
प्रश्न 2. कृतिकाकेकिसीएकपाठपरसंवादलिखें.
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