Advertisements
Advertisements
प्रश्न
A beaker is filled with water (n = 1.5) to a height h. Height of the beaker is 15 cm. When the bottom of the beaker is viewed vertically by an observer, the beaker appears to be half filled. Find the value of h.
संख्यात्मक
Advertisements
उत्तर
Given:
Refractive index, n = 1.5
Height of the beaker = 15 cm
Apparent depth = `15/2` = 7.5 cm (since it appears half filled)
Formula:
n = `"Real depth"/"Apparent depth"`
Real depth (h) = n × Apparent depth
= 1.5 × 7.5
= 11.25 cm
shaalaa.com
Notes
The answer in the textbook is incorrect.
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
