MDCAT Physics Chapter 7 Light Online Test With Answers

MDCAT Physics Chapter 7 Light Online Test

Sr. # Questions Answers Choice
1 There will be no change in _______ of light entering glass Velocity Frequency Direction Wavelength
2 We can use Fibre optics system for Image transmitting Word processing Image processing and recelving All
3 Who gave the corpuscular nature of light Einstein Newton Maxwell Thomas young
4 According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light Less Maximum Equal May be less may be greater depending upon slit spacing
5 Sky seems blue due to Diffraction Polarization Dispersion Scattering
6 The wave length of x-rays is of the order of 10<sup>-17</sup> m 10<sup>-4</sup> cm 10<sup>-9</sup> m 10<sup>-10</sup> m
7 Michelson interferometer is based upon Interference Diffraction Polarization Reflection
8 Bending of light around sharp edges is known as Interference Diffraction Reflection Dispersion
9 In thin film colours are due to Reflection Interference Diffraction Refraction
10 For a point source of light the wave front produced are Circular Spherical Cylinrical None
11 If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift 795 792 786 None
12 Which Phenomenon proves that nature of light is transverse Interference Diffraction Scattering None
13 In single slit diffraction the condition for second minimum is Sinθ =&nbsp;λ d Sinθ =2λ d Sinθ =3λ d Cosθ =0
14 We can achieve polarization by Absorption Reflection Scttering All of above
15 A ray of light always points Anti parallel to wave front Perpendicular to wave front Parallel to wave lets None
16 For constructive interference path difference should be Integral multiple of λ/2 Integral multiple of&nbsp;λ Odd integral multiple of&nbsp;λ Odd integral multiple of λ/2
17 According to Young s experiment if frequency of light used is halved then fringe width becomes 2/3 Double Remains constant Fringe
18 Who proposed wave theory of light Huygens Galileo Einstein Newton
19 The phase difference between two points on a wave front will be 0° 4<span style="color: rgb(0, 0, 0); font-family: Georgia; font-size: 18px; line-height: 23.390625px;">π</span> 2<span style="color: rgb(0, 0, 0); font-family: Georgia; font-size: 18px; line-height: 23.390625px;">π</span> <span style="color: rgb(0, 0, 0); font-family: Georgia; font-size: 18px; line-height: 23.390625px;">π</span>/2
20 In compound microscope image formed is Real erect and diminished Virtual inverted magnitude Real inverted and magnified Virtual inverted and magnified
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