Penetration of Alpha, Beta, and Gamma Rays

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What is the approximate thickness of a material that can stop alpha particles?

Few meters of steel

Few cm of lead

Few mm of aluminium

Few mm of paper (correct)

What material is most effective at stopping gamma rays?

Paper

Aluminium

Steel

Lead (correct)

Which type of radiation is most easily stopped by a thin layer of material?

Beta particles

Alpha particles (correct)

Gamma rays

X-rays

What is the order of increasing penetration power of the three types of radiation?

Alpha, beta, gamma Signup and view all the answers

Which material is not suitable for stopping alpha particles?

Steel Signup and view all the answers

In which type of medium does wave travel perpendicular to the vibration of the medium?

Ropes Signup and view all the answers

What occurs during the vibration of a rope or a spring?

Transfer of energy Signup and view all the answers

In which type of medium does wave travel parallel to the vibration of the medium?

Springs Signup and view all the answers

What is the direction of wave travel in a rope relative to the vibration of the rope?

Perpendicular Signup and view all the answers

What is the movement of energy referred to in the context of vibration in ropes and springs?

Wave travel Signup and view all the answers

Which type of electromagnetic wave is visible to the human eye?

Visible light Signup and view all the answers

What is the characteristic of ionising electromagnetic waves?

They are harmless to people Signup and view all the answers

What is the order of the electromagnetic spectrum from longest wavelength to shortest?

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays Signup and view all the answers

What is the wavelength of visible light in nanometers?

All of the above Signup and view all the answers

Which type of electromagnetic wave has a wavelength of 10^2 meters?

Radio waves Signup and view all the answers

What is the device used to measure the electromotive force (e.m.f.) in the given circuit?

VOLTMETER Signup and view all the answers

What is the component labelled as 'COIL' in the given circuit?

A coil of wire Signup and view all the answers

What is the function of the 'BAR MAGNET' in the given circuit?

To produce a magnetic field Signup and view all the answers

What is the symbol 'NNNN' likely to represent in the given circuit?

A type of load resistance Signup and view all the answers

What is the physical phenomenon that occurs when a coil is placed in a changing magnetic field?

Electromagnetic induction Signup and view all the answers

What is the reason for induced e.m.f. in the coil?

The bar magnet is stationary Signup and view all the answers

What is the state of the bar magnet during the induction of e.m.f.?

It is kept still Signup and view all the answers

What is the outcome of the interaction between the coil and the bar magnet?

Electromagnetic energy is induced Signup and view all the answers

What is the direction of the magnet in relation to the coil?

The magnet is stationary in relation to the coil Signup and view all the answers

What is the type of energy induced in the coil?

Electromagnetic energy Signup and view all the answers