Advertisements
Advertisements
Question
Light travels at a lower speed in water than in air.
Options
True
False
Solution
True.
APPEARS IN
RELATED QUESTIONS
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?
Light travels more quickly through water than through glass.
Which is optically denser : water or glass?
With the help of a diagram, show how when light falls obliquely on the side of a rectangular glass slab, the emergent ray is parallel to the incident ray.
Water is optically denser than glass.
The depth of a pond when seen from above appears to be less.
Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.
Explain the working of a periscope.
The angle of incidence from air to glass at the point O on the hemispherical glass slab is.
How does the light travel?
