1972-02-03 — Page 22

郭日僑華

頁二張六第二日九十月二十年亥辛屬夏

WAH KID YAT PO.

苯

1972英文中學會考試題預習專欄

·堅道英文院主編

Hence apparent shifte

An object placed on one side.

物理科

Payeica (14)

glass will be uhifted by

when viewed through the other.

Hence

apparent thickness of the glass 18.

(十四)

Glass

DF ie the incident ray, Pg the in the glass and QR the emergent NPM is the normal at P.

NPM

QR will be parallel to OP and 50, -normal at Q will be parallel to

PRED is a rectangle, PD, the per- pendicular distance between OP and RQ produced is the required lateral dia- placement.

12 – SQ 820 SQU

PQ COB

3P - PS com / PSF

- PS osa(90 XQSE)

PS:cos:/ SQD

• Pa sin SQP COS SOD

SQD-PHD - NPO

SF

<

PD - EF-SE-

Pa(cos r sin A Main:

PM

Bin

sin

cos 2 tan T

ain

Apparent thickness

Real thickness

月4日起征星期五下午六時至七時,在月光 一些模英國文化協會上頭,本會及共十澤:既安全

期五十元。六成

......FRULSE CIRCUIT (81) 1 - {{mm

"INTRODUCTION. TO TOPOLOGY -

「『PUISE CIRCUIT (4)」攤現時

| .. .. [ PRINCIPLES AND PLACTICE OF THE

四期星日三月二年二七九一居公年一十六國 吴莘中

| WE --- [ MATHEMATICS FOR ELECTRONICS,

其餘之五項「數」

則以英文

要全期五十元。 六時,在展光行九樓上,本撈共十二楼,

二十三樓上,本來程共卅,學費期間「百元 起補四下許出時至八時,在尖沙咀路與大道

時,李費全期一百卅元。... 在屍光行九樓上線。本課程共十五講,舘盟兩少 ——安二月廿八日起每星期一下午六時至八時,

ABACUS }+定三月一日起毎良期三下午五時至

期五,將旨至四以,時三,在中二百年光 三共五一有在七一

育教

數大

若以時錢額十下新製限 小時新 个人現波時初十由焦時九日 最中土賽~一 理

,由點在

有露七學期,有在入以學,啟榮會无视。讓當共上每言中傜設適月

詩:五星門类在以上時数:辭誠三藥品女 有落

變課外 一五路按此一起

光定 齢。花析

一在八、元風 數行定: 通知:十由述、英之樓月歡九月蔬準確定 生介行定元問新在矩女李上三眼恐樓二•屋北二、以項,共六理下疑

品相上七 女之行定:粤理本毎期起

以瘦,起拟硬樓月 奧幣本毎:粵内上三以

中文中學會考試題預習專欄

英文科 (十四)

A good method to determine the fractive index of glass is therefore t calculate the ratio of apparent thiök- dese to real thicknese.

re

ENGLISH (24)

Model Answers

(24)(a) The Laws of refraction states

that

(1) The incident ray, the normai

to the surface at the point ot incidence, and the refracted Jie in the same plane.

coa

since

When small objects are viewed norma. ly through a glass plate, the ray of ligh coming out enters the eye with small ang of incidence, 1.e. X1 la approximately

An object placed at 2 will appear ✨ come from A. Hence the apparent shift 18 QA

For small de

PD

DPM

cos(180 coe(180

90°

con (90° - xl)

sin L

The keine of the angle of incid ende bears to the sine of the angle of refraction a ratio, which is constant for a given pair of medie and for a part- icular wave length (Snell's Law) of light

total internal reflectio

Bingo

The quadrilateral SQTR 12 SunCyULI

SRT

180

whence

A180

Therefore.

once

external ROU

26.1

it the first face

sinc

1:8

ainb -1.8 ain26.

sin 52.8

external / RTU

angle of incidence on the first

ace 18 52.6°

(25)

iwo convex lenses each of 2d cm. focal length:: are set up coaxially

5 cm apart. *An Image of a flag-

ataff 200 metree distant and 10 metres high is formed by the.com. bination. Find the position and size of the image.

(26)(a) The following values for u and

were obtained experimentally with

convex lenst-

11

100 60 £40 130

130.239.8159.9

25.

100.2

Plot graph between

and

and deduce from the graph the focal length of the Jans.

(b) A convex lene has a small object.

placed on its axis distant from

a focal point by an amount equal to one-quarter of the focal length Prove that the image has linear dimensions four times as great as the object. Distinguish between the 2 possible cass,

(a) did he

(b) didn't ne

3.fc tender

shall we

(d) in

5.(b)down:

had not told her

had the bell rung

from being buried.

) what he wanted

1972

許藩芳

尖

項

encroached on by the school boys and my kitchen robbed by the cate or the children. Some gentlemen in the congregation would fall asleep in the most interesting part of my sermon,

or their ladies would show indifference to my wife's civilities.. However, we 9001 got over our feeling of uneasiness and began to wonder how such things could have vexed us.

Choose a word from the above passage which has the same meaning as one of the following? Bu

(1) looking with wonder and.

: pleasure at:

(2) to be reluctant

(3) give back

(4) beneficent care of God

任何貨品成功的推銷不

5

單獨要倚靠它的品質,而且要 倚靠它被人認識的程度良 好的廣告是要社會人士了解 某柱货品的品質和它的優 點。每天我們都見到和聽到 很多廣告,對於各種廣告的方 式我們都非常習慣的了因 此廣告家必需尋求新式的店 時能夠吸引人們的方法来 31起未來顧客們的注意今 天廣告経巳變成一種很大 的藝術和有利潤的商業了。 在中古時代,欧洲的廣告 完全用廣告招牌的,這些招 牌懸掛着商店的門口,用來 表示要出買的商品,一条紅白 色的木桿是用来表示一間 理髮店,這是在今天的香港 ̇仍舊會採用的標識,在未有 抹用視力廣告之前,廣告是純 粹採用口頭的方法,在古代的 希臘和羅馬人們會在街 道上徘徊,宣佈有奴隸

牲口和货物出售

Exercise 14

A. Read the following: pagange ang

answer the question which follow:

We generally had happy friends about us even though we were by no means very rich- As we know, the poorer the guest is, the more pleased he da sure to be with beine kindly

treated.. ns some men enjoy admiring the colours of flowers ar the wing of a butterfly. so. I was, by nature, fond of happy human faces. However, when any of our guests was found to be bad in character or one whom we were tired of, on his leaving us, we never hesitated to lend him some clothing and sometimes. even. a horse, and I would be quite satisfied if he never came back to return the same.

In this condition, we lived happily: for several years even: though we sometimes had little: troubles, which, I believe providence sends to enhance our; appreciation of its favours. My orchard was usually

an act of setting high. value on

(6) intrud

(7) people tn a church

(8) absence of interest

(9) acts of courtesy

10) religious exhortation

Which sentence in the

passage shows that the writer

treated his poor guests well-

What did the writer do to

get rid of a troublesome. guest?

What did the writer think of the little troubles he sometimes had to be?

which sentence in the

passage shows that some

people in the congregation were far from being: respectful?

What was the writer rona of?

Rewrite the following sentences as directed:

• I was listening to the raai

At that time T heard.

knock at the door.

(Combine by etarting witł

"Listening.

Please tell me whethe:

your factors can make one hundred care a da (Use "capable")

Be was a hard-working. carpenter.

He was some-

times a little careless. (Combine by using "except"

People say that John was a

rascal: when he was you

(Use "to have been")

The radio reported that al the visitors were coming scon. (Start with "The visitou

We do not know the size of the steamer. (Use "how")

Our. father may consent. He may not consent.

It depends on the weather. :(Combine by using "whetherm

I eagerly expect to see my friend..

(Use look forward"

I wish my friends were

here now. (Use "yesterday)

10. I hope my friend will

arrive to-morroi (Use "wish")