Page 49 - Ranger SPM 2022 - Science

Science SPM SPM Model Paper
37. Figure 20 shows a convex lens with 39. Figure 22 shows a drone.
focal point, F.

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P Q R S
2F F F 2F

Figure 20
Figure 22
Where should the object be placed so
that the image is real, inverted and What is the principle used by drones
same size as the object? to fly?
A Pascal’s principle
A P
B Q B Inertia
C R C Bernoulli’s principle
D S D Pressure in liquid
40. The following information describes a
38. Figure 21 shows a hydraulic jack.
satellite orbit.
Force
• Orbital plane on the equatorial
Piston X plane
• The orbit is perfectly circular
Piston Y
What is the orbit?
Figure 21 A High Earth Orbit
B Low Earth Orbit
If pistons X and Y have a surface area C Geostationary Orbit
2
of 0.02 m and 4.0 m respectively, D Geosynchronous Orbit
2
calculate the maximum load that
piston Y can accommodate if the force
applied to piston X is 4 N.
A 80 N
B 40 N
C 400 N
D 800 N

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