Click the correct answer (True or False).
Click the correct answer.
Which of the following statements is not true about the reflection of light?
All substances absorb some incident light and reflect the rest.
Highly polished surfaces are good reflectors of light.
The amount of light reflected from a surface depends on the nature of the surface.
An opaque object absorbs all the incident light and does not reflect any.
Which of the following is an example of diffused reflection?
Reflection in a plane mirror
Reflection in a scratched mirror
Reflection in an unused steel plate
Reflection in a spherical mirror
Which of the following is not a characteristic of the image formed by a plane mirror?
Real and inverted
Virtual
Formed behind the mirror
Laterally inverted
What happens to the speed of light, when it enters a medium from vacuum?
It increases.
It decreases.
It remains same.
It first increases then decreases.
Click the correct answer.
The image that can be obtained on a screen is called
.
real
virtual
lateral
erect
We see the objects around us because they
light.
refract
reflect
diffract
dispersed
According to the laws of reflection, the angle of incidence is
the angle of reflection.
less than
equal to
greater than
always twice
The normal to the surface is drawn
to the surface.
parallel
at an angle
perpendicular
vertically inclined
For a plane mirror, the distance between the object and the mirror is always
the distance between the image and the mirror.
less than
half
greater than
equal to
The bouncing back of light from the surface of an object in the same medium is known as
.
reflection of light
lateral inversion
transmission of light
dispersion of light
The angle which the incident ray makes with the normal is known as the
.
angle of reflection
angle of incidence
angle of deviation
angle of a light ray
