Optics Question 28
Question: Assertion : All the materials always have the same colour, whether viewed by reflected light or through transmitted light. Reason : The colour of material does not depend on nature of light.
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: D
Solution:
It is not necessary for a material to have same colour in reflected and transmitted light.
A material may reflect one colour strongly and transmit some other colour.
For example, some lubricating oils reflect green colour and transmit red.
Therefore, in reflected light, they will appear green and in transmitted light, they will appear red.
