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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
Which type of radiation can be stopped by a sheet of paper?
X-rays.
Gamma.
Alpha.
Beta.
Which of the following is a man-made radioactive source?
Uranium in soil.
Radon in rocks.
Nuclear reactors.
Cosmic rays.
Which particle is the heaviest among common radioactive emissions?
Beta particle.
Gamma ray.
Neutrino.
Alpha particle.
The effect of long-term radiation exposure is:
Instant death.
Chronic illness and increased cancer risk.
Improved energy.
Immunity to viruses.
What is a key safety rule in radiology?
Only wear normal clothes.
Minimize time, maximize distance, use shielding.
Stay close to the source.
Ignore safety warnings.
