1972-05-20 — Page 17

REFERENCE LIEKARY

頁一第張五第

日八初月四年子壬随夏 AMALLYATH PO

報日橋

六期星 日十二月五年二七九一曆公年一十六國民華中育教僑華

罗僑

1972英文中學會考試題預習專欄

(A) all the five.

(B); C,

(C)bd

5. The annual range, of temperatur

Mongoon Ania deöreänan ÍTÖMI

North-west to South-east

West to East.

Bouth-west to Forth-ean s East to West C

South-east to Forth-West

中文中學會考

競預習車檔

物理科(廿九)、陳新

復習+解答

(四)工已知:最短空氣拄長 L=320

聲迷 =340/4000

堅道英文樵院主編

地理科

(廿九)

GBOORAPHY (29.

Multiple-Choice Exercise

.35

An airpilot finds that when he takes of from Kai Tak Airport at 8.35 heading for the sun, a flag ahead of him in deflected to his right hand mide. What should be the wind direc-

From the east

From the west

(C) From the north (D) From the south

Calm condition

Examine the following figures and find out the wind direction at station

MAP FOR QUESTION

Pr

itation Station

Station

1008 ab.

1007 ab

1007 ml

1008

1004

(4) From the south-er

(B). From the north

(C) From the north-wa

(D) Fron the south-wat

(((F) From the west”

The drawbacks of the three-sup ter azar-

(a) at in incapable of Fedo

gusty wind.

(B) gentle wind cannov. De recorden

Rosurately

(a) Mind speed, higuer zhan 40 motm

cannot be recorded

it cannot tell the wina virusTA OF

Which of the following areas are af- fected by the seasonal reversal of wind direction?

The Indus Basin.

The Tigris-Euphrates Basin Kanchurian Plain-

Henan Chao praya baw dla The Hal Ho Baoin

the five

After 1949, the centre or industrial development in China gradually shifti from

.to.

South-west, North-east North-east Korth-west

Worth-we

South-

Mouth-went south-wast

Forth-east south-weat

aize the map givan't-

MAP FOR QUESTION B

甲部(共50%)

工. 填-

题(共30%,每答案)

(一)(1) 介質, (2) 波射線、

(二) (3) 橫波(或高低波)(4)緃波。

(二) (5) 波峯,(6)波谷。(7)稠密部:

(8) 稀疏部

(0) (1) (2) 18.85, (B) (10) tetes. (六)兩相鄰同相點的距離叫做(1)波長 (七)(12)週期或周期

(八)(13) 頻率 (か)(14)速度

(+) (15) 331.3(+) (16) (087(R) (18) 0.6(*)

(17) 2(呎) (+-)(19) ****

(20) 振幅

(十二)(21)音調(22) 頻率

(24)數目(5)强弱 (+) Es = (26) LAT

[註]因為聲音發音體發出之動能,產生 振動而作聲。而響度是聽音體每單位 面積在單位時間內接受主動態。

拔

響度=動能/面積時間:

或

(十五)(7)音程

Eg =LAt

(六)(28)拍 (20) 拍頻 (30) 指數

II. 簡易計算題(共20%每題5)

I. Eufo 2=1,100 5/pc,

求

HEIGHT

IN-FEE

III菜

音波三波長為入

Installing

wind vane in the area should be located at 1–

據

The correct position for

The following figure illustrates a/u01

FIGURE FOR QUESTION S

(1) discordant coast

-0.000,97

答:英週期為0.000 9入秒。

求:

III解:據: =f為频率

1.126.4

答:其波長為11265+呎

耳求:雨峭壁間的距離S=7. 耳:(1)設此人共峭壁A3距離為57

則此人與峭壁B三距

(二)據第一題音波工浓建 為1,100呎秒,聲音由

此達到A壁所需時間為510

Which of the following phynionl re- gions in forth America is composed

Which of the followings are characterm.

istics of radiation fogi-

is formed in highlands where

the average temperature is lower dalm atmospherio condition is essential for its formation

at coeure usually at night.

very poor visibility in encountered

What all level,

(e) it is formed, very near tO 138

ground

(A) fiord coast

(G) sperged count

(3) DainaviEN COKET

of the oldest rocks?

Sierra Nevada

(B) The Rookies

(C) The Laurentian Shf❤la

(D) The Interior Plain.

(B) The Appalachians.

(2)同上理

II求:频率 5=3/ecb

正解:據U=4fl

000 inc

4x32cm

4x32 cm

2,128

内含义之頻率是每秒265.6次。

乙部(共50%)

III問答題(共20%,每題5分

(一)答:按强定律是:弦立指數與

(1)弦之長度成反比例,

(2)强三張力的平方根成正比例,

(3)每單位長度弦質量平方根成反比

例

()設弦子浓數為每秒2次

弦之長度為汜厘米

弦主張力為七莲因,

1厘米長之弦所有之質量為克.

則振弦定律可以下式表之?

n=K++

據實驗測定:K=士 故上式可寫為:

(i)設水半程為r厘米,其密度為

ag, $] m =πr'd 代入上式得:

(二)答:發音體遇有按數相同之聲波 傳來時,独漸行振動而發聲音此 種現象叫做共鸣,又叫共振。

(三)答:以閉管測音速的方 不法如圖示。(1)降低漏书使 閉管三水面逐漸下降,同 是時敲擊音义,使其發聲。

(二)當水面降至A時發生第 一次共鸣。若昔义的一股由平 ̇衡位置之,進至七時,有一稠 密部的音波進入開管内當 音义振動至二時後共由A反 射出的稠密部重合,聲音因而 加强,音义王一股自己選至C時,有一稀疏

部進入閉管內;其聲音加强工理由與上 述同

(3)因音义共冬氨柱子振動相因而生 共鸣,故其频率必相同,音频率可 由音义的刻字讀得之。 據波長入等孩 頻率3.倒數,故聲音在空氣中*波長與音 火之波長相同

(4)聲音由2至A,再反射至氏,共歴 2015 音叉由王至白而返回共歷士波衰,即

據聲速=頻率波長 故v=n入=4nl C 可用尺度出之

l=z入r=ne

便可測得聲音在空

氨中速度..

== 2,750 ft - 8ut ft = 1,995 ft

一未完,下期货

英中會考附加數學(一)試題

ADDITHNAL MATHEMATICS

* porn wich that he chuige ham the polari, 33is eq »-», Wilte down, and simplify the equation of the locus of

A tangents drawn at a point Fon

The red-Twáhom

*-8.30am – 10NO KA.

Answer ALL question in Section A nod TREE questions in Section 9. cong NOT MORE THAN TWÓ questions from each of the two groups. Mathematical cables and graph paper will be supplied. All working

clearly shown,

ICTIONA

and

SAPÚ Á Larete centre

LOR - diagrees, of the duance

from to dòng the arẻ All is the same no

"thas'slong AOR “What in the value of è to the

awan try.9%2 + ky2=' 146, 9ind thi vàlu

10

曲

A vertical wetion of a pavilion is shown in Fig.

The roof of the parlon takes og form of the

evens ABC, CDE pren respectively by

If the pladient of the fangent la 41°)

k

"The curve yo • + dx+, where a

constants and a passes through the orlain

and has a tárunum value as she poins, 125, rana the valutatój

Find the value of

Find the son of th

soil y pre evenmixed ki feet. The war is gported by vertief pre Band

Dare the painb

Find the datamer between the twas

*Find the ove of the ion PCDO

Jungent are drawn to the öurves at 'C.; sind the

d the

is the point (50) Bhe point (0:0

and with rel

Find the co-ordinates

Calculate BEC.

Find the of the Hodon

40 strele 25 qura 1, again at E, fedahí co-cinstes

Findah qotion of the swigent to the dinle,

SA and AC-13, is on the horizontal ground witte A. jupported by a vertical pole 9 feet long

Find the of "BASCO

ABC is a thần triangles gest of mess with '14, 02-

Find the angle between Ay and are ground, men's

Find in area of the show on the ground when the

SECTION. I (60 muka):5.

ARE THREE questions in this Section, choosing NOT MORE THAN

rough. Each quindioo cairiga 20 maika,

·Group

10. A particle moves fa a miraīgāt lose," "Įta distance, i malond

hit the y-mala, where 2 1 Atocnazij

parcwhich genajates Ala, sulla sad,

perikle passes the sarting point si sima n

(a), Flòrtis distance of

2.001

03. Find din ilma t` second

-Firm, un metres dry and E, the expialty"?

Water It pour into the bond that West depen. 4k. What friction at

the capacity of the bowl is filed f

Now that for a positive values of it. Cae voluma of the material din f

making the bowl'ía squal to the

Show that

2D, & ponjavn the cable ofis Kuspention bildge which hangs výrezna teščkiby in the forms of a parabols from two point und ♬ 450 mérés pres. The equation of the parabola [ry] refered to The kein Fig 5. Cu the lowest point with

·bout A Brú £ 28 meties above C

bove. And the distance betwetu arden