Question

A: Coloured spectrum is seen when we look through a cloth
R: Diffraction of light takes place when light is travelling through the pores of cloth

• A. Both A and R are true, and R is not correct explanation of A
• B. Both A and R are true, and R is correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Answer 1

Answer: (D)

A is false but R is true

Coloured spectrum is obtained when interference of ight takes place.
In a cloth only diffraction of light takes place when light is travelling through the pores of cloth.
Thus only R is correct.