Advertisements
Advertisements
प्रश्न
State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.
उत्तर
False.We can see an object because light, on being reflected from the object, is scattered and diffused.
APPEARS IN
संबंधित प्रश्न
Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
Explain why, though both a plane mirror and a sheet of paper reflect light but we can see the image of our face in a plane mirror but not in a sheet of paper.
The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
The figure given alongside shows the image of a clock as seen a plane mirror. The correct time is:
Figure
(a) 2.25
(b) 2.35
(c) 6.45
(d) 9.25
Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.
What do you understand by refraction of light?
Choose and write the correct option.
If we gradually increase the angle of incidence of a ray of light passing through prism then …..
Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.
You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?