MDCAT Physics Chapter 7 Light Online Test With Answers

MDCAT Physics Chapter 7 Light Online Test

Sr. # Questions Answers Choice
1 If the path difference must be an integral multiple of wavelength sin θ = md/λ d sin θ = mλ d sin θ = m/λ d sin θ = λ/m
2 Who devise the experimental arrangement in 1801 for studying interference effects of light Huygen Young Newton None of these
3 The points on a Huygen's wave front which sends out secondary wavelets are also Source Source of secondary wavelets Coherent sources of light None of these
4 Huygen's wave front which sends out secondary wavelets with a speed equal to Speed of propagation of the wave Speed of propagation greater than wave Speed of propagation less than the wave None of these
5 The distance between two concentric wave fronts is A wave length A half wavelength Zero None of these
6 The wave propagates in space by the motion of the Particles Wavefronts Wavelength None of these
7 The light from the sun reaches to earth with wavefronts Spherical Cylindrical Plane None of these
8 Can two lights of car can produce interference Yes No Partly produce interference None of these
9 To observe the phenomenon of interference of light, the light should be Monochromatic Phase coherence Coherent sources All of these
10 An oil surface floating on water surface exhibits beautiful colour patter, which is due to  Reflection of light Diffraction of light Interference of light None of these
11 The position of a new wavefront after a certain interval of time can be found by constructing a surface that is A tangent A tangent envelope Curved surface None of these
12 Every point of a wavefront may be considered as a Source Source of wavefront Source of secondary wavefront None of these
13 A plane wavefront is that which has source Nearest Distant Near None of these
14 A spherical wavefront is that which has A source A point source An extended source None of these
15 A line normal to the wave front is called A beam of light A ray of light Both None of these
16 Wave front is the locus or all points in vibration are in the same Frequency Phase Wavelength All of these
17 Who confirm the wave theory of light ? Newton Michelson Newton Thomos Young
18 The idea of light as wave produced by Huygen Newton Thomos Young Michelson
19 Who gave the idea of light as wave ? Newton Huygen Thomos Young Bragg
20 Light is a type of energy which produces sensation of Sound Feeling Vision None of these
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