Optics Question 61
Question: Assertion : Thin films such as soap bubble or a thin layer of oil on water show beautiful colours when illuminated by white light. Reason : It happens due to the interference of light reflected from the upper surface of the thin film.
[AIIMS 2002]
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: C
Solution:
The beautiful colours are seen on account of interference of light reflected from the upper and the lower surfaces of the thin films.
