Math, asked by arunadan865, 5 months ago

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Solve the system of equations: 2x+5y=1,
2x+3y=3 and find the value of x and y.
A
x=2,. y=-1
B
X=3, y=-1
с
X=3, y=1
D
X=-2,. y=1
SUBMIT ANSWER​

Answers

Answered by VangaraNishithaReddy
0

Answer:

BHASHYAM EDUCATIONAL INSTITUTIONS

R.T-4-PHYSICS

Lesson: REFLECTION OF LIGHT ON CURVED SURFACES,

STRUCTURE OF ATOM

CLASS: X MARKS: 20M

I. Answer the following questions 5× 2=10M

1. Explain Hund’s rule with an example.

2. Draw the shapes of all d-orbitals.

3. Write the limitations of Bohr’s atomic model.

4. Draw the ray diagram for the situation of converging mirror.

a) Where the image is formed at the place same as the object is placed.

b) To get a virtual image

5. Write two uses of each convex and concave mirrors.

II. Answer the following question 5×1 = 5M

6. Explain why 4s<3d?

7. Write the colours formed when cupric chloride and Strontium chloride react with

hydrochloric acid and is introduced in non-luminous flame.

8. Define the term focus.

9. Write the mirror formula and explain the terms in it.

10. Write any two parameters for sign convention.

III. Fill in the blanks. 10×1/2 =5M

11. The distance between pole and focus is called_____

12. For a diverging mirror, the reflecting surface is______

13. When the object is placed at a distance of 30cm in front of a concave mirror

whose focal length is 10cm. Then, the image is formed at a distance of_____

14. When a concave mirror is placed in water it’s focal length is____

15. In car head lights, the position of the bulb is______BHASHYAMEDUCATIONALINSTITUTIONS

REVISIONTEST–3 ENGLISH

CLASS–X MAXMARKS-20

SECTION-A

Readingcomprehension

Readthefollowingpassagecarefully

Despitetheriskofbeingbullied,hisparentsinsistedNickonattendingmainstream

school.Itwasthebestdecisiontheycouldhavemadeforme.AddsNickWholater

achievedadegreeinfinancialplanningandrealestate.Itwasveryhardbutitgaveme

independence.

Nick,whowasteasedandbullied,hadanelectricwheelchairformobilityanda

teamofcareerstohelphim.

IwasdeeplydepressedwhenIwaseightyearold,hesaid.Iwenttomymum crying

andtoldherIwantedtokillmyself.

Ifeltcoldandbitter.IhatedGodfordoingthistomeandwasterrifiedofwhatwould

happenwhenmyparentsweren'ttheretolookaftrme.Icouldbrushmyownteethwitha

wallmountedbrushandwashmyownhairwithpumpactionsoapbuttherewassomuch

thatwasimpossibleforme

Nowanswerthefollowingquestions.EachQuestionhasfourchoices.Choosethe

correctanswerandwrite(A)(B)(C),(D)inyouranswerbooklet.

1.Whattypeoftextintheabovepassage? ( )

a)Narration B)Essay C)Biography D)Story

2.“Ifeltcoldandbitter.IhatedGod.whatdoestheunderlinedphrasemean?

a)Shivering B)Upset C)Joyful D)Surprised

3.Accordingtothegivenpassage,attheageofeight,Nickwasverydepressed

because…………………( )

a)Hisfatherputhiminaregularschool

b)Hewasatorso

c)Hisparentshelpedhim

d)Hewasteasedandbulliedbyhisschoolmates.

4.Itwasveryhardbut__________Independence.‘It’refersto___________( )

a)Theparentsdecisionabouthisschooling

b)Theelectricwheelchair

c)ThedegreeinFinancialplanningandrealestate

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