IB Physics SL B 2 10 Enhanced Greenhouse Effect Questions

Practise IB Physics SL B.2.10 by explaining enhanced greenhouse warming, albedo feedback and practical ways to reduce emissions.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • Apply Stokes’ law for viscous drag on a small sphere, Fd = 6πηrv, with drag opposite the motion.
  • Relate viscosity, sphere radius and speed to drag or terminal motion using complete mark-scheme evidence and correct units.

IB Physics SL B 2 10 Enhanced Greenhouse Effect Questions question 1

[Maximum number: 2]

This question is in two parts. Part 1 is about solar radiation and the greenhouse effect. Part 2 is about a mass on a spring.

Part 1 Solar radiation and the greenhouse effect
The following data are available.

Table for Question IB Physics SL B 2 10 Enhanced Greenhouse Effect Questions question 1 — IB Physics SL

Outline why the burning of fossil fuels may lead to an increase in the average surface temperature of the Earth.
Part 2 A mass on a spring
An object is placed on a frictionless surface and attached to a light horizontal spring.

Figure for Question IB Physics SL B 2 10 Enhanced Greenhouse Effect Questions question 1 — IB Physics SL

The other end of the spring is attached to a stationary point P . Air resistance is negligible. The equilibrium position is at O . The object is moved to position Y and released.

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