KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics: Questions 47 - 49 of 250
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Question number: 47
Question number: 48
Appeared in Year: 2011
A material is embedded between two glass plates. Refractive index n of the material varies with thickness as shown below. The maximum incident angle (in degrees) on the material for which beam will pass through the material is –
Question number: 49
Appeared in Year: 2012
In a Young’s double slit experiment the intensity of light at each slit is Ι0. Interference pattern is observed along a direction parallel to the line S1 S2 on screen S.
The minimum, maximum, and the intensity averaged over the entire screen are respectively.
0, 4Ι0, 2Ι0
0, 4Ι0, Ι0
0, 2Ι0, Ι0