Interference and Diffraction Objective Question and Answer
Interference and Diffraction MCQ Multiple Choice Questions - Page 5 for Practice
121. Antireflection coating is helps in which case of the following?
Correct Answer is: Minimizing the reflection of light from top surface
122. As a wave travels down a spring, the amplitude slowly decreases. Why does this occur?
Correct Answer is: Some energy is lost due to friction as the particles in the spring rub against each other
123. as the order increases, the width of a dark band in diffraction patterns
Correct Answer is: Decreases
124. Coherent light of a single frequency passes through a double slit with a separation d, to produce a pattern on a screen as distance D from the slits. What would cause the separation between adjacent minima on the screen to increase?
Correct Answer is: increase the separation d between the slits
