Advertisements
Advertisements
प्रश्न
State two properties of ultraviolet radiation which differ from visible light.
What are the two properties of ultraviolet radiation that are different from that of visible light?
Advertisements
उत्तर
- Ultra-violet radiations are of wavelengths shorter than that of visible light.
- Ultraviolet radiation is more chemically active than visible light.
APPEARS IN
संबंधित प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
The speed of light in air or vacuum is
Define the term dispersion of light.
What conclusion do you draw about the nature of white light in part (b)?
What do you understand by the term spectrum?
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
State two uses of ultraviolet radiation.
The splitting of white light into its component colours is called ____________.
The periscope is an optical device with a polished surface that reflects the light falling on it.
