Advertisements
Advertisements
Question
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
Advertisements
Solution
Depth of the tank remains the same when viewed normally from above.
APPEARS IN
RELATED QUESTIONS
How does the angle of minimum deviation produces by a prism change with increase in :
the refracting angle of prism?
A coin is places at the bottom of a beaker containing water (refractive index = 4/3) to a depth of 12 cm. By what height the coin appears to be raised when seen from vertically above?
A student has traced the path of a ray of light through a glass slab as follows. If you are asked to label 1, 2, 3 and 4, the correct sequencing of labeling ∠i, ∠e, ∠r and lateral displacement respectively is
(a) 2, 1, 3, 4
(b) 1, 2, 3, 4
(c) 1, 3, 2, 4
(d) 1, 3, 4, 2
Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence.
|
S. No. |
Angle of incidence |
Angle of refraction |
Angle of emergence |
|
I |
45° |
41° |
45° |
|
II |
40° |
38° |
38° |
|
III |
45° |
41° |
40° |
|
IV |
41° |
45° |
41° |
The correct observation is recorded at serial number:
(1) I
(2) II
(3) III
(4) IV
A total reflecting equilateral prism can be used to deviate a ray of light through:
Name the phenomenon responsible in the following case:
Twinkling of stars
How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?
In the diagram alongside a ray of light, PQ is incident normally on one face AB of an equilateral glass prism. What is the angle of incidence at the faces AB and AC?
The refractive index of glass with respect to air is 1.5. What is the value of the refractive index of air with respect to glass?
