Chapter 6 Question

8/12/2019 Chapter 6 Question

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Chapter 6: Light

Section A

Instructions: Circle the correct answers from A, B, C andD

1 Light cannot pass through the following object except I clear glass

II cardboardIII clear water

IV stone

A I and III only

B I, II and III only

C II, III and IV only

D I, II, III and IV

2. The size of the shadow of an opaque object depends onP : Shape of the opaque objectQ : The object distance fro the shadow

R : The object distance fro the source of light

S : The strength of the source of light

AP and Q C Qand S

B QandR DR and S

3. !hich of the following diagras shows the correct path of light rays"

# $

% &

'


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4.

Diagram 1%ased on &iagra ', the obser(er cannot see the light fro the torch

because

A light is reflected

B light is bent

C light tra(els in a straight line

D light is not bright

5. Shadow is fored because

A light does not pass through opaque objects

B light is bent by opaque objects

C light is absorbed by an opaque object

D light consists of (arious colours

6.

Diagram 2

In &iagra ), the direction of the correct reflected ray is

A P CR

B Q D S

.

Diagram 3

&iagra * shows a blurry iage of the hand is seen through the objectX

becauseXis a +++++++++ aterial.

A transparent C opaque

)


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B translucent D clear

!. f the following, which is not a source of light"

A The Sun C # lighted candle

B Torch D The -oon

".

Diagram 4

In the acti(ity shown in &iagra , the glowing candle cannot be seen.

!hat can be concluded"

A Light is (ery bright

B Light can tra(el

C Light tra(els in a straight line

D Light can be bent

1#.

Diagram 5

&iagra /

shows a torch eit light through a sall hole onto apiece of irror. !hat can be concluded"

A Light changes direction

B Light can be absorbed

C Light can be bent

D Light can be reflected

11 f the following which one has the characteristics of a good reflector of

*

torch


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light"

I 0ard surface III Soft surface

II 1(en surface IV Shiny surface

A I only

B I and IV only

C I, II and IV onlyD I, II, III andIV

12.

Diagram 6The cardboard with a pattern drawn on it as shown in &iagra 2 is placed in frontof a piece of irror. f the following, which one shows the iage on a irror"

A B C D

13.

Diagram

!hat happens if the distance of objectPfro the source of light is

decreased"

torch


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A The size of the shadow decreases

B The size of the shadow increases

C The shadow is in(erted

D The shadow disappears

14. 3uestions ' and '/ are based on &iagra 4.

torchR torch S

Diagram !

The shadows of object 5 fored on screens Pand Qare recorded in the

table below. $hoose the correct shadows fored.

S$6117P S$6117 Q

A

B

C

D

15. !hat conclusion can be ade fro the acti(ity in &iagra 4"

A The shape of the shadow changes according to the position of light

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source.

B The shape of the shadow fored are the sae e(erywhere.

C The shape of the shadow depends on the types of torch used

D The shape of the shadow does not change according to the position of

the object.

16. The following a8e use of the principle of light reflection exceptA side irror of a car

B irror in the barbershop

C irror at the sharp bend of a road

D radio

1. The following table shows an object and the principle of light in(ol(ed.

!hich one is atched correctly"

Light tra(els in a straight line 9rinciple of light reflection

A 9eriscope -irror in the barber shop

B aleidoscope 9eriscope

C Side irror of a car Shadow show

;!ayang 8ulit

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Chapter 6 Question