育發保華
第三第張四第
日三十月三年已乙慶宴
WAH KIU YAT PO4 APR 1965
期星
日四十月四年五六九一曆公年四十五國民當中
華僑教育
物理科 (十九)
陸汞熾。
「1965年度量
英文科
(十九)
̇姚述聖·
Pk. solution
EST. 19
-
(a)
PAYS ISS (19)
By Mr. Luk Wing Ches
Time allowed » 20 minutes.
1. Choose the best word to go in there there is an X.
SUMBER of the word in the space provided,
fri to the
DO NOT TRIBE THE WORD.
(x) "Go away!" I his mother,
1. talked
(a)
2. asked [3. shouted
4. whispozad
(0)
32 80 93 00 0
(b)
(b) He looked at K in the mirror,”
1. him
7. himself 1. 010
14. mina
(0) She is mixteen years old, and ede, is no X a child,'
1. longer
(c)
2. Long
3. Longwat
4. along
(4) There is a dog X under the tree.
1. 11.
2. iráng,
A). Lag
(4) laging)
(a)
(e) Is she I her
mother?
L. liken
2. dislike
3. liked
4. like
2. Two words on each! line along together, 4 Think what they are and
underline both i
(*) river / coast / lane / ocean / harbour / ferry (b) milk/apoon / table street / roaf / chair
(c) cook / nose / cloth / coin / ohin / name / ook (d) shirt / tently ones/jacket / cotton / ries
i) The frequency of a stretched string is idversely
proportional to the length (n=Ŭ/0)
(i) The frequency of a suretched string is proportional)
to the square root of the tension (20(4)
Thus,
(b)
By subatraction,
M
256
40
50
320 384 512
бо
Bo
A
1.
* *
1
.
2 (12 - 1;}
u
વ
1450
400
35+
100
Substitute in the equation V A
at (1.1
Thus the valocity of sound is found and the end } mastection'is eliminated.
(c) Let f
→
be the frequency of the tuning fork
in c.p...]
be the length of the air column for the first position of resonance, and
be the length of six column for the second position of resonance, and
be the end correction.
Thus,
+
A
▸
(e) merchant / truder captain / farmer / master
3. Underline the correct worɑs given in the brackets of the following
sentences E
(a) I like her very much (though, for, or) she is diligens.
(b) He is strong (because, for, though) thin.
(c) (Because, Till, If) you wish, I shall go with you.;
(4) I shall not go (because, when, whilė) I am busy.
(a) Come with me. (for, unlesa, if) you can.
4. Change the following sentences cram the Singular into the Plura
making any other necessary changes i
(a) Jane left a golden watch behind here.
(b) The house had a brown roof.
(c) There was a leaf on the ground,
(a) The gentleman put his money into his purse,
(*) A buffalo fought, with ankor in-the-field-
25.
60
↑ Since √7 = 74.6′′ T = 5600
When the frequency is 480/sec, the tension of the wire ia 5600 gm,vt. (•) If the tension of a given wire le kept constant, the frequency is inversely proportional to the length of the virtu
Let
the length of wire be adjusted to 40 om. and she new frequengy,
be
A
*
λ
V
-
- 27.5 om.
2
25 ..
•
£
330 1.100
55
Fo ́ 600 e.p.#λ
fans. The frequency of the tuning fork is 600 e.p.c
Questions (20)
() What is meant by the lines of magnetic for 607
What are their characteristic. properties? Describe how such lines may be plotted using (i) a compass needle.
(11) iron filings,
Point out any advantage each method may have compared with the other.
Draw diagrams to show the magnetic lines of force round aber megast situated horizontally
magnetic field.
(1)
(11)
Instead of the word underlined, give one that mans tag oppõBITELY (*): We must try to keep our clothes disty.
(b) The soldiers fought coward
(o) Henry paints
(d) She closed the window loud)
(*) We should go to bed late.
Put the follwang asnterbes in the Passive Talon c
(a) 1 do my work carefully,
(b) Can you dram a ploture?:
(a) The bast teấm son the football match.
(d) The gentleman is driving his car.
(a) The strong wind hies down the trees.
To) (a)
Change the following sentences into questions : (1957).
(a) My brother will give John his picture.
(b) You went home after school.
(o) She knows her lessons well.
(d) 7 day borrow your book.
(e) They have gone to the market.
Underline the beat word in each of the brackets
A(hunter, worker, fisherman) onos caught a (long short, small) fish, which began to pray for its life. (more, most, much) too tiny to be of any use to you," At naidī
(how, what, why) do you not put me back in the water now, and come. and (kill catch caught) ne again, then I have (lived, grown, saten big?
But the fisharaan raplied, "Perhaps you might not come back to be (osten, unved, caught), when you have grown (long,
little fish in (good, beat, better) than no fiab nf all, so think I will faave, tako, kaso) vm
9. Fill in the blanks with the correct tense of the verd given
brackets E
(a) The water in the sOK
(b) This book
yon
(more)
(belong)
Jane Wang. (ca11)
your work? (finaah)"
an egg-(lay)
(0) My name
(*) The ben bugan to cackle me soon, an shu
100 Some punotustion de left out at I. Put the correct punotuation
" in the "biani provided.
"What a brautiful picture X” oried he
(b)\" hen will you start I" he asked,
(c) "Hurrah X they cheered.
A know what you mine A
0208
256
384-674108/s*0;
The
of the turning fork
384)
Solution
(s) In general, noted on by en quency, equal
body
This
body capable of os ciliating is dio series of impulses having a fre natural frequency of the body," the
ition with a relatively large amplitude., called FoBOERDER,
e) Explain the terms magnetiò meridian,
magnetic declination.
of dip and
(d) Explain the following by the molecular theory at
magnetiant
(1) magnatio induction
(11) magnetic saturation
(iii) a magnet cut into two parte producen two megneta
In the figure below the ← sign represanta un electrio
Drav, through the point current flowing away from you P, one of the magnetic lines of force due to the current ... If the south pole of a mhgnet vere placed az) P there would be a force on the pole and a force oa the current. Show an the diagram, by means of arrows,] the direction of each of these forces,
result of the In sound the resonance is always" enforcement of diraat, sound waves, hyratle oted, sound
(b) To measure the velocity of sound in sir by meani
Zork of
rubber pad ber
ing with a very
in gradually iner
Luning
fit up as in diagram.S tube:
selected and stroke smartly on z
tuan reaches a first position of resp first position of
mouth of the tube, Starte the length of the air column
onance depura when the ength: This is called the ace. The longth of tube for the ince. 1. ia renorded.
Increasing the Lengthstill further a second position
The length of the tube, is recorded of, resonance le obtained.
(e) Mother "ought meat X vonstables and eggd.
Read the following carefully -
A dog, looking for a quiet and scafortable place to have a little sleep, jumped onto a pile of hay.
Some tiae later the one and the bores case to the pile of hay for lunch: They found the dog lying on the hay, so they sake
hip up.
up?
The dog was very angry and he said, "Why did you wake u Can't have any privacy?"
(D) Describe how you would show by simple experiment which
of the v
of the two materiala, Iron and
permanent magnet, (ii) an
labelled diagram of
system.
is better for
sphone, communication
(c) The lady lost her bag in the street. (d) The storm broke the window of my badrace'
(*) During his fiait he did not eas his aunt.
(a) hurriedly,b) gent', (o) yesterday, "(d) suddenly
pitilessly.
unless, (b) after, (c) because, (d) Although
6. (6) 7, (b) 1, (0) 1, (a) 21 (e) 3.
(a) The boy'a 6ans was denry
(b) "Te thie yours?” asked the teacher.
(a)
10t
if you wanted to eat my lunch; 51 would not winaj” said the cow. But now, you nesther, eat the pay yourself, un enjoy. Eta hobova that you are dean and selfiab.. Underline the best answer in the bracketr
(K), It wan (evening, aprning, afternoon, noon, ).
(b) How many aninsis azoke? (one, two, there, four)
(o) Tho wanted to eat the hay the dog and the cow, the horas and
the dog, the horse and the cow.
Loh one as mens and dalfish? (the dog, the dow, the horse),
Log WAS Angry becau (he wanted to, eat the hay, he was woke
A fap the cow spoke to him,
to Test 18
1. (a), chopatioks, (b) crown, (a RETO
2. (a) clearly, (b) angr13, (9) vehi
3. (a) The children are dancing
There are many roses in
anes, (d) butcher, (=) gara,
(d) murprised, 0)fry
tris
hare la a car coming.*
rents always say, "Do not run across the road.” (*) Mr. Chan sells butter, sugar, tea and dest
(a){this. (b) *all known, (o) pleasant, (d) (111) living in London
() went to the airport with her friend.
(*) Our school con the catch?
(b) He often helped his brother.)
(c) They found the ring yesterday.
(d) The thief will kill the official, (*) The teacher would punish the Lazy boys
(a) She was not working in the garden. (b) They did not tell me all the racoret. (c) He had not lost all his money
(d) The policeman did not arreat the thief, (a) You should not obey his order 115(a) fat (b) wara (6) useless, (d) remember
sta
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