25 Questions
What is the approximate thickness of a material that can stop alpha particles?
Few mm of paper
What material is most effective at stopping gamma rays?
Lead
Which type of radiation is most easily stopped by a thin layer of material?
Alpha particles
What is the order of increasing penetration power of the three types of radiation?
Alpha, beta, gamma
Which material is not suitable for stopping alpha particles?
Steel
In which type of medium does wave travel perpendicular to the vibration of the medium?
Ropes
What occurs during the vibration of a rope or a spring?
Transfer of energy
In which type of medium does wave travel parallel to the vibration of the medium?
Springs
What is the direction of wave travel in a rope relative to the vibration of the rope?
Perpendicular
What is the movement of energy referred to in the context of vibration in ropes and springs?
Wave travel
Which type of electromagnetic wave is visible to the human eye?
Visible light
What is the characteristic of ionising electromagnetic waves?
They are harmless to people
What is the order of the electromagnetic spectrum from longest wavelength to shortest?
Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays
What is the wavelength of visible light in nanometers?
All of the above
Which type of electromagnetic wave has a wavelength of 10^2 meters?
Radio waves
What is the device used to measure the electromotive force (e.m.f.) in the given circuit?
VOLTMETER
What is the component labelled as 'COIL' in the given circuit?
A coil of wire
What is the function of the 'BAR MAGNET' in the given circuit?
To produce a magnetic field
What is the symbol 'NNNN' likely to represent in the given circuit?
A type of load resistance
What is the physical phenomenon that occurs when a coil is placed in a changing magnetic field?
Electromagnetic induction
What is the reason for induced e.m.f. in the coil?
The bar magnet is stationary
What is the state of the bar magnet during the induction of e.m.f.?
It is kept still
What is the outcome of the interaction between the coil and the bar magnet?
Electromagnetic energy is induced
What is the direction of the magnet in relation to the coil?
The magnet is stationary in relation to the coil
What is the type of energy induced in the coil?
Electromagnetic energy
Test your knowledge of the penetration of alpha, beta, and gamma rays through different materials. Learn how far these rays can travel through materials like aluminium and lead. Get ready to save your understanding of these fundamental concepts!
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