Light Class 10 MCQ Online Test. We covered all the Light Class 10 MCQ Online Test in this post for free so that you can prepare for the exam completely free.
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MCQ on Light for School Students
The theory of light which explained all the phenomena of light, is
1. Huygen’s theory
2. Newton’s theory
3. Modified Huygen’s theory
4. Maxwell’s theory
Option 3 – Modified Huygen’s theory
Spherical wavefronts are produced by
1. Point source of light
2. Linear source of light
3. Source at a large distance
4. None of these
Option 1 – Point source of light
The basis of Huygen’s theory of light is
1. Modern quantum theory
2. Principle of construction of wavefront
3. Mexwell’s theory
4. None of these
Option 2 – Principle of construction of wavefront
The following about which Huygens’ did not have any idea is
1. Wavelength
2. Transverse nature of light
3. Longitudinal nature of light
4.1 and 2
Option 4 – 1 and 2
The theory which was modified by Thomas young and Fresnel, is
1. Newton’s corpuscular theory
2. Maxwell’s electromagnetic theory
3. Huygen’s wave theory
4. Quantum theory
Option 3 – Huygen’s wave theory
The phenomena of light such as interference, diffraction and polarisation could be successfully explained with the introduction of the following concepts to the Huygen’s theory by thomas young and Fresnel
1. Wavelength
2. Transverse nature of light
3. Velocity of light
4. (1) and (2)
Option 4 – (1) and (2)
The scientists who modified the wave theory of light, are
1. Thomas young
2. Fresnel
3. Maxwell
4. (1) and (2)
Option 4 – (1) and (2)
The basis of Newton’s corpuscular theory of light, is
1. Maxwell’s electromagnetic theory of light
2. De-Broglie’s theory
3. Quantum theory of radiation
4. Schrodinger’s theory
Option 3 – Quantum theory of radiation
An imaginary line drawn normally to wave fronts represents
1. Spherical wavefront
2. Plane wavefront
3. Cylindrical wavefornt
4. Path of light ray
Option 4 – Path of light ray
Every point of a wavefront behaves as a source of small secondary wavelets. The tangential surface drawn to these secondary wavelets, is
1. Path of a light ray
2. New wavefront
3. Both of these
4. None of these
Option 2 – New wavefront
The crest of water wave in a ripple tank acts as
1. Concave mirror
2. Convex lens
3. Convex mirror
4. Concave lens
Option 2 – Convex lens
The trough of water wave in a ripple tank acts as
1. Convex lens
2. Convex mirror
3. Concave mirror
4. Concave lens
Option 4 – Concave lens
The crests of water waves in a ripple tank produces
1. Dark bands
2. Bright bands
3. Coloured bands
4. None of these
Option 2 – Bright bands
The troughs of water waves in a ripple tank produces
1. Coloured bands
2. Dark bands
3. Bright bands
4. None of these
Option 2 – Dark bands
The light incident on the water waves in a ripple tank is diverged by
1. Crests
2. Troughs
3. Crests and Troughs
4. None of these
Option 2 – Troughs
The light incident on the water waves in a ripple tank is converged by
1. Troughs
2. Crests
3. Compressions
4. Rarefactions
Option 2 – Crests
The scientist according to whom the velocity of light is more in denser medium, is
1. Maxwell
2. Newton
3. Huygen’s
4. Planck
Option 2 – Newton
The scientist according to whom the velocity of light is more in rarer medium is
1. Newton
2. Huygen’s
3. Planck
4. Maxwell
Option 2 – Huygen’s
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