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WorksheetsGrade 10 igcse physics
Total questions: 10
Worksheet time: 10mins
Sound waves of frequency 2.0kHz travel through a substance at a speed of 800m/s. What is the wavelength of the waves?
0.40m
2.5m
400m
1600m
The frequency of a wave is doubled. The speed of the wave does not change. What happens to the wavelength of the wave?
It becomes four times as large.
It does not change.
It doubles.
It halves.
What is the number of wavefronts per second that pass a fixed point?
the amplitude of the wave
the frequency of the wave
the speed of the wave
the wavelength of thewave
What is the frequency of a wave?
the distance that a wavefront travels every second
the distance from one wavefront to the next
the number of wavefronts produced per second
the time taken for a wavefront to pass a certain point
Light enters a glass block at an angle of incidence of 46°. The light refracts at an angle of refraction of 26°. What is the refractive index of the glass?
0.57
0.61
1.64
1.77
A plane mirror is fitted to a wall. Which statement about the image formed by the mirror is correct?
The image is real.
The image is left to right (laterally inverted).
The image is smaller than the object.
The image is upside down.
Which group contains only electromagnetic waves?
light waves, radio waves, γ-rays
light waves, radio waves, sound waves
light waves, sound waves, γ-rays
radio waves, sound waves, γ-rays
How do infra-red waves differ from ultraviolet waves?
Infra-red waves are longitudinal.
Infra-red waves have a lower speed in vacuo (in a vacuum).
Infra-red waves have lower frequencies.
Infra-red waves have smaller wavelengths.
Which list shows electromagnetic waves in order of increasing frequency?
visible light, X-rays, γ-rays
visible light, γ-rays, X-rays
X-rays, γ-rays, visible light
γ-rays, X-rays, visible light
Which statement about ultraviolet waves is correct?
They are used in television remote controllers.
They can be detected by the human eye.
They travel as longitudinal waves.
They have the same speed in a vacuum as radio waves.
