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Select Lessons (39)
Dynamics: Newton’s Laws of Motion
ELECTRICITY: Current
ELECTRICITY: Current
ELECTRICITY: Resistance
Elasticity
Electric fields
Electromagnetism
Electromagnetism
Energy: Application And Uses
Experimental physics
Forces
Gravitational fields
Heat
Kinematics in Two Dimensions: Vectors, projectiles
Kinematics in one dimension
Linear Momentum
MOTION
MOTION
MOTION
MOTION
MOTION
MOTION: Circular
MOTION: Collision
MOTION: Inclined plane
MOTION: Simple harmonic motion (SHM)
Magnetism
Optics
PLASTICS
PRESSURE
Radioactivity
TEMPERATURE
The Laws of Thermodynamics
Units System
Units System
Units, dimensions and homogeneity
WAVES: Electromagnetic
WAVES: Electromagnetic
WAVES: Sound
5/39 MCQs for:
Radioactivity
What is a Geiger-Müller counter used for?
Measuring blood pressure.
Detecting sound waves.
Measuring pressure.
Detecting and measuring radiation.
Which of the following is most dangerous if inhaled or ingested?
Gamma emitter.
Visible light.
Beta emitter.
Alpha emitter.
Which particle has no charge?
Gamma.
Alpha.
Beta.
Neutron.
Which of these radiations can travel several meters in air?
Beta.
Alpha.
None.
Gamma.
A common natural source of radiation is:
X-ray machines.
Microwaves.
MRI.
Cosmic rays.
