Advertisements
Advertisements
प्रश्न
How does the light have to enter the glass:
to produce a large amount of bending?
Advertisements
उत्तर
To produce a large amount of bending, the light ray has to enter the glass with a large angle of incidence.
APPEARS IN
संबंधित प्रश्न
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
Write all the capital letters of the alphabet which look the same in a plane mirror.
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
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
Light travels more quickly through water than through glass.
Which is optically denser : water or glass?
A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.
How does the light have to enter the glass:
for no refraction to happen?
A ray of light when passes from glass to air, bends towards the normal.
What is the cause of refraction of light when it passes from one medium to another?
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
A small air bubble in a glass block when seen from above appears to be raised because of ______.
We can see the sun even when it is little below the horizon because of ______.
Define the principal focus of a concave mirror.
A real image is formed by the light rays after reflection or refraction when they:
- actually meet or intersect with each other.
- actually converge at a point.
- appear to meet when they are produced in the backward direction.
- appear to diverge from a point.
Which of the above statements are correct?
The speed of light varies in different media.
Which object use the reflection of light?
A star appears twinkling into the sky because of the reflection of light by the atmosphere.
Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
