WorksheetsLight (Science 7)
Total questions: 10
Worksheet time: 8mins
The statement "Let there be light!" was taken from which book in the Bible?
Philippians
Genesis
Leviticus
Exodus
This theory considered light to be a wave propagating in ether.
Wave Theory
Particle Theory
Electromagnetic Theory
Quantum Theory
He is the proponent of the Particle Theory of light, which states that light consists of tiny particles emitted by a luminous object.
Christian Huygens
Isaac Newton
James Clerk Maxwell
Max Planck
What kind of wave is a light wave?
mechanical, transverse
mechanical, longitudinal
electromagnetic, transverse
electromagnetic, longitudinal
Which of the following is NOT true of the Electromagnetic Theory of Light?
Light is emitted in discrete packets called quanta
Light is partly magnetic and partly electrical in nature
Light can propagate in a vacuum
Light waves have a great range of frequencies and wavelengths
(a)
In the electromagnetic spectrum, ___ has the longest wavelength and lowest frequency, while ___ has the shortest wavelength and highest frequency.
purple, red
red, purple
green, purple
purple, green
Ancient scientists measured the speed of light by using the changes in the position of heavenly bodies.
TRUE
FALSE
After many observations were made, the standard value of the speed of light has been ____ since 1983.
186 000 mi/s
301 000 km/s
313 000 km/s
299 792 458 m/s
The image shows that light travels in a straight line. What property of light is being shown in the image?
Reflection
Refraction
Shadow formation
Rectilinear propagation
