Page 9 - 1202 Question Bank Physics Form 5

PAPER 1

Answer all questions.

– 1
–3
–3
Take g = 10 N kg , density of Hg, r = 13 600 kg m and density of air, r = 1 000 kg m unless stated
otherwise.
2.1 Pressure in Liquid 4. Diagram 3 shows a tube filled with liquid P.
The density of the liquid is 1.2 g cm . The angle
-3
1. Diagram 1 shows the water supply system to a between the tube and the horizontal line is 50 .
o
SPM house.
©PAN ASIA PUBLICATIONS
CLONE
Liquid P
h
50° X

Diagram 3
X
Diagram 1 If the pressure at X due to liquid P is 7 200 Pa,
what is the length of the column of liquid in the
If the pressure meter reading at X is 6.2 × 10 5 tube?
Pa, what is the value of h? A 78 cm C 100 cm
A 6.2 m C 620 m B 90 cm D 110 cm
B 62 m D 6 200 m
5. Diagram 4 shows three containers with mercury,
2. Diagram 2 shows that the speed of water
SPM draining out can be increased by tilting the water and cooking oil. Liquid pressures at the
CLONE bases are P , P dan P respectively.
water container. X Y Z

Water
container Mercury Water Cooking
oil
Wooden
block
X Y Z
Diagram 4
Which comparison is correct?
Diagram 2
A P = P  P C P  P  P
Y
X
Z
X
Z
Which factor produces such an effect? B P  P  P D P  P  P Y
A The density of water X Y Z Z Y X
B Water depth 6. Diagram 5 shows a metal cylinder immersed in
C Gravity a liquid. The upper surface of the cylinder, X is
D Volume of water h m from the surface of the liquid.
3. Liquid pressure depends on
I the depth of the liquid Liquid
II the density of the liquid h
III volume of liquid Y surface
IV the acceleration due to gravity there Cylinder
A I and II C I, II and III
B II and IV D I, II and IV
Diagram 5
23
Question 4:
P = hrg
h = depth from the liquid surface SOS TIP

Chp 2_1202 QB Physics F5.indd 23 07/01/2022 12:08 PM