WorksheetsLight(Reflection,Refraction)
Total questions: 26
Worksheet time: 27mins
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
What is the angle of reflection (θr) in the image?
56o
90o
124o
34o
Which of the following characteristics are correct for the image formed in a plane mirror?
I. Upright
II. Inverted
III. Real
IV. Same size as the object
V. Virtual
I, II, III
I, III, IV
I, IV, V
III, IV, V
Which figure represents the path light takes through a converging lens?
The type of mirror used in reflector in automobile lights is
Plane mirror
Concave mirror
Convex mirror
None of the above
When the object is placed between f and 2f of a convex lens, the image formed is
at f
at 2f
beyond 2f
between O and f
What is the unit of the refractive index?
No Unit
Lux
Newton
Watt
shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is
√3 / √2
√2 / √3
1/ √2
√2
Based on the image, which medium has a larger index of refraction?
Medium 1 has a larger index of refraction.
Medium 2 has a larger index of refraction.
Both mediums have the same index of refraction.
Cannot be determined.
The image as seen through this convex lens will be ...
real and larger
real and smaller
virtual and larger
virtual and smaller
The angle between incident ray and emergent are is called ?
refraction angle
glancing angle
deviation angle
None
If angle of incidence is zero then ______?
Angle of refraction is zero
Angle of refraction is 90
Angle of deviation is 180
All the above may be possible
Which lens is called Converging lens ?
Convex lens
Concave lens
concave mirror
Convex mirror
A thin lens is made with a material having refractive index
μ = 1.5 both the sides are convex. It is dipped in water of refractive index μ = 1.33 it will behave like a?
a convergent lens
a divergent lens
a rectangular slab
a prism
A light incident on one of the parallel face of a rectangular glass slab,emerges out of the opposite parallel face
inclined to the incident ray
along the same line as the incident ray
parallel to the incident ray but laterally displaced
The refractive index of water is 4/3 means
the speed of light in water is 3/4th the speed of light in vacuum or air
the speed of light in air (or vacuum) is 4/3 times the speed of light in water
both the options given are correct
Lateral displacement depends on
thickness of the medium
angle of incidence
both thickness of the medium and angle of incidence
Which of the following rectangular glass slabs made from same material produces the largest lateral shift when a ray of light is incident at the same angle?
15 cm x 9 cm
15 cm x 10 cm
15 cm x 11 cm
15 cm x 12 cm
