Advertisements
Advertisements
प्रश्न
How can the presence of ultraviolet radiation be detected?
उत्तर
In the presence of ultra-violet radiation, the silver chloride solution becomes dark brown or black.
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
State the cause of dispersion of white light
Make two diagrams to explain refraction and dispersion.
In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray
(a) is parallel to the incident ray.
(b) is along the same direction of incident ray.
(c) gets deviated and bends towards the thinner part of the prism.
(d) gets deviated and bends towards the thicker part (base) of the prism.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
A wave has wavelength 50Å of State the speed in vacuum.
Draw a labelled diagram: Dispersion of light through a prism.
What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
Which characteristic property of light is responsible for the blue colour of the sky?
State the colour which bends:
- The most.
- The least while passing through a glass prism.
