solid. Which of these are included in the electromagnetic spectrum?
A alpha-particles and beta-particles
B alpha-particles and gamma-rays
C beta-particles and infra-red radiation
D gamma-rays and infra-red radiation
The image of a clock face as seen in a plane mirror is shown.
What is the actual time on the clock?
A 1.25
B 1.35
C 10.25
D 10.35
One of the effects of passing a ray of white light through a prism is to split the light into colours.
A deviation
B dispersion
C reflection
D refraction
A student looks at the letter P on a piece of paper, and at its reflection in a mirror. What does he see?
Which statement is correct about the speed of electromagnetic waves in a vacuum?
A Ultra-violet waves have the greatest speed.
B Visible light waves have the greatest speed.
C Infra-red waves have the greatest speed.
D All electromagnetic waves have the same speed.
Which diagram correctly shows rays passing through a camera lens?
Which diagram correctly shows the paths taken by red and blue light when a beam of white light
enters a glass prism?
Which diagram shows the correct order of the waves in the electromagnetic spectrum?
A plane mirror is on a wall. Which is a correct description of the image formed by the mirror?
A the right way up and smaller than the object
B the right way up and the same size as the object
C upside down and smaller than the object
D upside down and the same size as the object
The diagram shows a ray of light entering a block of glass.
Which numbered angles are the angles of incidence and of refraction?
Which diagram shows the path of the rays after passing through the lens?
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