Interference and Diffraction Objective Questions Answers for Practice

Interference and Diffraction MCQ Questions for Practice

76. The Radius (or diameter) of dark rings in Newtons rings is

77. The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called

78. The speed of any mechanical wave as it propagates through a medium is dependent mainly on the

79. The speed of light in material A is 1.25 times as large as it is in material. What is the ratio of the refractive indices, µA /µB of these materials?

80. The wave nature of light is demonstrated by which of the following?

81. There are two types of diffraction Fresnel and ..........

82. To find prominent diffraction, the size of diffraction object should be

83. Two sources of light are said to be coherent if

84. What is the effect of increasing the number of slits on the intensity of Central maxima of diffraction pattern of a diffraction grating?

85. What is the highest order spectrum which may be seen with monochromatic light of wavelength 5000 Ao by means of diffraction grating with 5000 lines/cm?

86. What is the name of the process whereby waves travel around corners and obstacles in their paths?

87. What is the nature of interference pattern at the contact edge of wedge shaped film

88. What is the nature of interference pattern for thin film of wedge shaped

89. What is the nature of interference pattern for thin film of wedge shaped

90. What is the speed of light in glycerin (n = 1.47) expressed in terms of the speed of light in a vacuum?

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Multiple Choice Questions and Answers on Interference and Diffraction

Interference and Diffraction Multiple Choice Questions and Answers

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